identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
F41887F51C1DE87EFDEFF8D5FDFED165.text	F41887F51C1DE87EFDEFF8D5FDFED165.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides bellesi Reboleira & Taiti 2015	<div><p>Trichoniscoides bellesi Reboleira &amp; Taiti, 2015</p><p>Fig. 1; Table 1</p><p>Trichoniscoides bellesi Reboleira &amp; Taiti, 2015: 9, figs 4–6.</p><p>Remarks</p><p>This species is characterized by a granulated dorsal integument, antennae with tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod lacks a distal lobe, and the exopod is triangular with a rounded external edge and without any notch at the base of the two equal ciliated rami. The male pleopod II endopod has a distal segment 2.2 × the length of the basal segment, which is very thick with a tapered tip. This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This species is only known from a single cave in Portugal, Algar do Javali (Lisbon, Montejunto Massif) (Reboleira et al. 2015; Fig. 1).</p></div>	https://treatment.plazi.org/id/F41887F51C1DE87EFDEFF8D5FDFED165	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C1DE87DFDA2F97CFDACD16C.text	F41887F51C1DE87DFDA2F97CFDACD16C.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides Sars 1899	<div><p>Genus Trichoniscoides Sars, 1899</p><p>Type species</p><p>Trichoniscoides sarsi Patience, 1908 .</p><p>Key to males of the species of the genus Trichoniscoides Sars, 1899, from the Portugal</p><p>1 Smooth dorsal integument ................................................................................................................ 2</p><p>– Granulated dorsal integument ........................................................................................................... 5</p><p>2 Antennae without tubercles bearing scale-setae ........................................ T. lusitanus Vandel, 1946</p><p>– Antennae with tubercles bearing scale-setae .................................................................................... 3</p><p>3 Male pleopod II endopod ends in pointed tip ................................................................................... 4</p><p>– Male pleopod II endopod ends in complex tip .......................... T. sicoensis Reboleira &amp; Taiti, 2015</p><p>4 Male pleopod I endopod without distal lobe ............................................ T. machadoi Vandel, 1946</p><p>– Male pleopod I endopod with long distal lobe .................................... T. subterraneus Vandel, 1946</p><p>5 Distal segment of male pleopod II endopod narrows to sharp tip .................................................... 6</p><p>– Distal segment of male pleopod II endopod thick ...........................................................................11</p><p>6 Male pereopod 7 without sexual differentiation ............................................................................... 7</p><p>– Male pereopod 7 with sexual differentiation .................................................................................. 10</p><p>7 Male pleopod I endopod without distal lobe .................................................................................... 8</p><p>– Male pleopod I endopod with distal lobe ........................................................... T. serrai Cruz, 1993</p><p>8 Male pereopod 1 merus and carpus without hyaline scales ........... T. bellesi Reboleira &amp; Taiti, 2015</p><p>– Male pereopod 1 merus and carpus with hyaline scale .................................................................... 9</p><p>9 Male pleopod I exopod rectangular, inner ciliated ramus longer than outer ...................................... ............................................................................................................... T. meridionalis Vandel, 1946</p><p>– Male pleopod I exopod triangular, ciliated rami equal in size ............... T. ouremensis Vandel, 1946</p><p>10 Male pleopod I exopod without notch at base of rami ....................................................................... ............................................................................................. T. gallaecus Cifuentes &amp; Da Silva, 2023</p><p>– Male pleopod I exopod with notch at base of rami ..................................... T. broteroi Vandel, 1946</p><p>11 Male pleopod I exopod triangular with posterior internal extension .................... T. oloensis sp. nov.</p><p>– Male pleopod I exopod trapezoidal, without posterior internal extension ..................................... 12</p><p>12 Male pereopod 7 process straight; male pleopod II endopod ends in pointed tip reinforced by chitinous shaft ................................................................................................................. T. cordovensis sp. nov.</p><p>– Male pereopod 7 process curved; male pleopod II endopod ends in small curved tip without chitinous shaft ........................................................................................................... T. castanheirensis sp. nov.</p></div>	https://treatment.plazi.org/id/F41887F51C1DE87DFDA2F97CFDACD16C	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C1EE87FFDDBF8D8FEC3D5F6.text	F41887F51C1EE87FFDDBF8D8FEC3D5F6.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides broteroi Vandel 1946	<div><p>Trichoniscoides broteroi Vandel, 1946</p><p>Figs 2A, 3A, 4; Table 1</p><p>Trichoniscoides broteroi Vandel, 1946: 178, figs 22–26.</p><p>Material examined</p><p>PORTUGAL – Aveiro • 1 ♂; Gruta Maior da Fujaca, Pampilhosa do Botão; 26 Feb. 1987; Antoni Serra leg.; Antonio Cruz coll.; CRBA-86807 .</p><p>Remarks</p><p>This species is characterized by a granulated dorsal integument (Fig. 2A), antennae with tubercles bearing scale-setae, male pereopod 7 sexually dimorphic, merus with a short hook-like process that has a terminal spine in the middle of the sternal edge (Fig. 3A; Table 1). The male pleopod I endopod has a very long distal lobe, triangular with a rounded tip, and the exopod is sub-quadrangular with a rounded external edge and with a prominent notch at the base of the two nearly equal ciliated rami, with the internal ramus slightly thinner than the external one (Table 1). The male pleopod II endopod has a distal segment 3.6× the length of the basal segment, with the distal segment being thin and ending in a curved point with a rounded tip, surrounded by a hyaline membrane; exopod II is trapezoidal (Table 1). This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This species was recorded from Gruta dos Alqueves (Coimbra) in Portugal by Vandel (1946, 1952). The present work extends the known distribution of Trichoniscoides broteroi to approximately 15 km north (Fig. 4).</p></div>	https://treatment.plazi.org/id/F41887F51C1EE87FFDDBF8D8FEC3D5F6	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C18E879FE3AFEB6FC65D509.text	F41887F51C18E879FE3AFEB6FC65D509.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides gallaecus Cifuentes & Da Silva 2023	<div><p>Trichoniscoides gallaecus Cifuentes &amp; Da Silva, 2023</p><p>Figs 2B–E, 3B–F, 5; Table 1</p><p>Trichoniscoides gallaecus Cifuentes &amp; Da Silva, 2023a: 2, figs 2–3.</p><p>Type material examined</p><p>Paratypes PORTUGAL – Braga • 1 ♂, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6063&amp;materialsCitation.latitude=41.3545" title="Search Plazi for locations around (long -8.6063/lat 41.3545)">Fradelos</a>; 41.3545° N, 8.6063° W; 27 May 2022; L.P. Da Silva leg.; paratype, cited by Cifuentes &amp; Da Silva (2023a); JC667 (ex. LPS332) • 1 ♀; same data as for preceding; paratype, cited by Cifuentes &amp; Da Silva (2023a); JC668 (ex. LPS333c) .</p><p>Other material examined</p><p>PORTUGAL – Viana do Castelo • 2 ♂♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5845&amp;materialsCitation.latitude=41.84" title="Search Plazi for locations around (long -8.5845/lat 41.84)">Bárrio</a>; 41.8400° N, 8.5845° W; 12 Nov. 2023; L.P. Da Silva leg.; LPS785a • 2 ♀♀; same data as for preceding; LPS785b • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5843&amp;materialsCitation.latitude=41.8401" title="Search Plazi for locations around (long -8.5843/lat 41.8401)">Bárrio</a>; 41.8401° N, 8.5843° W; 12 Nov. 2023; L.P. Da Silva leg.; LPS784 • 4 ♂♂; same data as for preceding; LPS787 • 1 ♂, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5482&amp;materialsCitation.latitude=41.9025" title="Search Plazi for locations around (long -8.5482/lat 41.9025)">Castanheira</a>, 41.9025° N, 8.5482° W; 12 Nov. 2023; L.P. Da Silva leg.; LPS789a • 3 ♀♀, same data as for preceding; LPS789b .</p><p>Remarks</p><p>This species is characterized by a granulated dorsal integument (Fig. 2B), antennae with tubercles bearing scale-setae, male pereopod 7 sexually dimorphic, merus with a hook-like process that has a terminal spine in the middle of the sternal edge (Figs 2C, 3B, Table 1). The male pleopod I endopod has a large triangular distal lobe (Fig. 3C), and the exopod is triangular (Figs 2D, 3D) and without any notch at the base of the two very unequal ciliated rami, with the internal ramus nearly vestigial and the external one very long. The male pleopod II endopod (Figs 2E, 3E) has a distal segment 3× the length of the basal segment, the distal segment broad for the first two-thirds and narrows abruptly to a pointed tip, and the exopod II is trapezoidal (Fig. 3F). This is an epigean species (Table 1).</p><p>Distribution</p><p>This Iberian Peninsula endemic species is known from Portugal at Fradelos in Braga (Cifuentes &amp; Da Silva 2023a), and as ‘ Trichoniscoides species A’ from Castanheira and Vascões in Viana do Castelo (Fig. 5), and from Avión (Orense) in Spain (Gregory et al. 2012).</p></div>	https://treatment.plazi.org/id/F41887F51C18E879FE3AFEB6FC65D509	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C1AE874FDC3FA7CFCA9D3A3.text	F41887F51C1AE874FDC3FA7CFCA9D3A3.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides lusitanus Vandel 1946	<div><p>Trichoniscoides lusitanus Vandel, 1946</p><p>Figs 6–8; Table 1</p><p>Trichoniscoides lusitanus Vandel, 1946: 165, figs 2–6.</p><p>Material examined</p><p>PORTUGAL – Leiria • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1587&amp;materialsCitation.latitude=39.3482" title="Search Plazi for locations around (long -9.1587/lat 39.3482)">A-da-Gorda</a>; 39.3482° N, 9.1587° W; 13 Apr. 2022; L.P. Da Silva leg.; LPS262 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4135&amp;materialsCitation.latitude=39.8264" title="Search Plazi for locations around (long -8.4135/lat 39.8264)">Alvaiázere</a>; 39.8264° N, 8.4135° W; 15 Mar. 2022; L.P. Da Silva leg.; LPS172 . – Porto • 4 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6872&amp;materialsCitation.latitude=41.3416" title="Search Plazi for locations around (long -8.6872/lat 41.3416)">Macieira da Maia</a>; 41.3416° N, 8.6872° W; 3 Jul. 2022; L.P. Da Silva leg.; LPS430 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6926&amp;materialsCitation.latitude=41.3408" title="Search Plazi for locations around (long -8.6926/lat 41.3408)">Macieira da Maia</a>; 41.3408° N, 8.6926° W; 3 Jul. 2022; L.P. Da Silva leg., LPS432b • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6924&amp;materialsCitation.latitude=41.3404" title="Search Plazi for locations around (long -8.6924/lat 41.3404)">Macieira da Maia</a>; 41.3404° N, 8.6924° W; 3 Jul. 2022; L.P. Da Silva leg.; LPS433 • 3 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.678&amp;materialsCitation.latitude=41.3492" title="Search Plazi for locations around (long -8.678/lat 41.3492)">Sabariz</a>; 41.3492° N, 8.6780° W; 28 Jun. 2022; L.P. Da Silva leg.; LPS410 b • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.678&amp;materialsCitation.latitude=41.3493" title="Search Plazi for locations around (long -8.678/lat 41.3493)">Sabariz</a>; 41.3493° N, 8.6780° W; 28 Jun. 2022; L.P. Da Silva leg.; LPS413b • 3 ♀♀; same data as for preceding; LPS413c • 3 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6821&amp;materialsCitation.latitude=41.3511" title="Search Plazi for locations around (long -8.6821/lat 41.3511)">Sabariz</a>; 41.3511° N, 8.6821° W; 28 Jun. 2022; L.P. Da Silva leg.; LPS415 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.6818&amp;materialsCitation.latitude=41.351" title="Search Plazi for locations around (long -8.6818/lat 41.351)">Sabariz</a>; 41.3510° N, 8.6818° W; 28 Jun. 2022; L.P. Da Silva leg.; LPS416 • 3 ♀♀; same data as for preceding; LPS417 • 2 immatures; same data as for preceding; LPS419 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.2889&amp;materialsCitation.latitude=41.3427" title="Search Plazi for locations around (long -8.2889/lat 41.3427)">Santo Estêvão de Barrosas</a>; 41.3427° N, 8.2889° W; 1 Oct. 2022; L.P. Da Silva leg.; JC686 (ex. LPS464a) • 4 ♀♀; same data as for preceding; LPS464b . – Viana do Castelo • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5846&amp;materialsCitation.latitude=41.8401" title="Search Plazi for locations around (long -8.5846/lat 41.8401)">Bárrio</a>; 41.8401° N, 8.5846° W; 12 Nov. 2023; L.P. Da Silva leg.; LPS788 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5483&amp;materialsCitation.latitude=41.9025" title="Search Plazi for locations around (long -8.5483/lat 41.9025)">Castanheira</a>; 41.9025° N, 8.5483° W; 12 Nov. 2023; L.P. Da Silva leg.; LPS791 • 1 ♂; same data as for preceding; LPS793a • 1 ♂; same data as for preceding; JC1054 (ex. LPS793c) • 2 ♀♀; same data as for preceding; LPS793b • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.7606&amp;materialsCitation.latitude=41.9214" title="Search Plazi for locations around (long -8.7606/lat 41.9214)">Gondarém</a>; 41.9214° N, 8.7606° W; 11 Jun. 2022; L.P. Da Silva leg.; LPS364 • 3 ♀♀; same data as for preceding; LPS366 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.7606&amp;materialsCitation.latitude=41.9213" title="Search Plazi for locations around (long -8.7606/lat 41.9213)">Gondarém</a>; 41.9213° N, 8.7606° W; 11 Jun. 2022; L.P. Da Silva leg.; JC1052 (ex. LPS365a) • 3 ♀♀; same data as for preceding; LPS365b • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.7382&amp;materialsCitation.latitude=41.7962" title="Search Plazi for locations around (long -8.7382/lat 41.7962)">Trás-Âncora</a>; 41.7962° N, 8.7382° W; 10 Jun. 2022; L.P. Da Silva leg.; LPS345 • 6 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.7383&amp;materialsCitation.latitude=41.796" title="Search Plazi for locations around (long -8.7383/lat 41.796)">Trás-Âncora</a>; 41.7960° N, 8.7383° W; 10 Jun. 2022; L.P. Da Silva leg.; LPS346 • 2 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.7384&amp;materialsCitation.latitude=41.7961" title="Search Plazi for locations around (long -8.7384/lat 41.7961)">Trás-Âncora</a>; 41.7961° N, 8.7384° W; 10 Jun. 2022; L.P. Da Silva leg.; LPS347 .</p><p>Remarks</p><p>This species is characterized by a smooth integument (Fig. 6A), antennae without tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod has a long and triangular lobe (Figs 6B, 7A), and the exopod is triangular (Figs 6C, 7B), with almost no notch and two nearly equal ciliated rami, with the external ramus slightly thinner and longer than the internal. The male pleopod II endopod (Figs 6D, 7C) has a distal segment 3.5 × the length of the basal segment, ending in a thin tip covered by a hyaline membrane, and the exopod II is trapezoidal (Figs 6D, 7D). This is an epigean species (Table 1).</p><p>Distribution</p><p>In Portugal, the species is recorded from the districts of Braga (Albergaria, Serra do Gerez), Porto (Fragas do Diabo) and Viana do Castelo (Carvoeiro, Castanheira, central Lindoso, Mantelàes, Vascões) (Vandel 1946; Gregory et al. 2012). In Spain, it is known from the provinces of A Coruña (Santiago), Cantabria (Ruente, Saja), León (Río Duerna, Posada), Orense (Avión, Beade, Beiro, Lobios) and Pontevedra (Amorín, As Eiras, Cangas, Gondomar, Marín, Oia, Puerto de Moncelos) (Schmölzer 1955, 1971; Gregory et al. 2012; Cifuentes 2019b). It is recorded for the first time in the district of Leiria, which is the southernmost record of this species in Portugal (Fig. 8).</p></div>	https://treatment.plazi.org/id/F41887F51C1AE874FDC3FA7CFCA9D3A3	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C14E870FDC7F9A1FC28D704.text	F41887F51C14E870FDC7F9A1FC28D704.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides machadoi Vandel 1946	<div><p>Trichoniscoides machadoi Vandel, 1946</p><p>Figs 9–11; Table 1</p><p>Trichoniscoides machadoi Vandel, 1946: 168, figs 8–12.</p><p>Material examined</p><p>PORTUGAL – Aveiro • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4644&amp;materialsCitation.latitude=40.2995" title="Search Plazi for locations around (long -8.4644/lat 40.2995)">Grada</a>; 40.2995° N, 8.4644° W; 5 Mar. 2022; L.P. Da Silva leg.; LPS121 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4573&amp;materialsCitation.latitude=40.3805" title="Search Plazi for locations around (long -8.4573/lat 40.3805)">Mealhada</a>; 40.3805° N, 8.4573° W; 20 Feb. 2022; L.P. Da Silva leg.; LPS102 . – Coimbra • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5077&amp;materialsCitation.latitude=40.0361" title="Search Plazi for locations around (long -8.5077/lat 40.0361)">Algar da Dona Justa</a>; 40.0361° N, 8.5077 ° W; 29 Dec. 2023; L.P. Da Silva leg.; LPS871a • 4 ♀♀; same data as for preceding; LPS871b • 1 ♂; same data as for preceding; LPS871c • 1 ♀; Gruta d’el Rey, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.547&amp;materialsCitation.latitude=40.2943" title="Search Plazi for locations around (long -8.547/lat 40.2943)">Portunhos</a>; 40.2943° N, 8.5470° W; 21 Jul. 2024; L.P. Da Silva leg.; LPS932 • 1 ♂; same data as for preceding; LPS933 • 1 ♂; same data as for preceding; LPS934 • 2 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5116&amp;materialsCitation.latitude=40.3321" title="Search Plazi for locations around (long -8.5116/lat 40.3321)">Porto de Carros</a>; 40.3321° N, 8.5116° W; 21 May 2022; L.P. Da Silva leg.; LPS315 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5116&amp;materialsCitation.latitude=40.332" title="Search Plazi for locations around (long -8.5116/lat 40.332)">Porto de Carros</a>; 40.3320° N, 8.5116° W; 21 May 2022; L.P. Da Silva leg.; JC654 (ex. LPS317) • 2 ♂♂, Serra da Boa Viagem; 40.1960° N, 8.9043; 26 Dec. 2022; L.P. Da Silva leg.; JC 1055 (ex. LPS633a) • 1 ♀; same data as for preceding; LPS633b • 5 ♂♂, same data as for preceding; LPS633c • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4023&amp;materialsCitation.latitude=40.313" title="Search Plazi for locations around (long -8.4023/lat 40.313)">Vale Soeiro</a>; 40.3130° N, 8.4023° W; 23 Dec. 2022; L.P. Da Silva leg.; LPS621 . – Leiria • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1587&amp;materialsCitation.latitude=39.3483" title="Search Plazi for locations around (long -9.1587/lat 39.3483)">A-da-Gorda</a>; 39.3483° N, 9.1587° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS728 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1586&amp;materialsCitation.latitude=39.3482" title="Search Plazi for locations around (long -9.1586/lat 39.3482)">A-da-Gorda</a>, 39.3482° N, 9.1586° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS729a • 1 ♀; same data as for preceding; LPS729b • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1588&amp;materialsCitation.latitude=39.3482" title="Search Plazi for locations around (long -9.1588/lat 39.3482)">A-da-Gorda</a>; 39.3482° N, 9.1588° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS730a • 1 ♀; same data as for preceding; LPS730b • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1588&amp;materialsCitation.latitude=39.3483" title="Search Plazi for locations around (long -9.1588/lat 39.3483)">A-da-Gorda</a>; 39.3483° N, 9.1588° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS731 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1587&amp;materialsCitation.latitude=39.3483" title="Search Plazi for locations around (long -9.1587/lat 39.3483)">A-da-Gorda</a>; 39.3483° N, 9.1587° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS732 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-9.1587&amp;materialsCitation.latitude=39.3485" title="Search Plazi for locations around (long -9.1587/lat 39.3485)">A-da-Gorda</a>; 39.3485° N, 9.1587° W; 31 Dec. 2022; L.P. Da Silva leg.; LPS733 • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4133&amp;materialsCitation.latitude=39.8263" title="Search Plazi for locations around (long -8.4133/lat 39.8263)">Alvaiázere</a>; 39.8263° N, 8.4133° W; 9 Nov. 2023; L.P. Da Silva leg.; LPS781a • 1 ♀; same data as for preceding; JC1057 (ex. LPS781b) • 2 ♀♀; same data as for preceding; LPS781c .</p><p>Remarks</p><p>This species is characterized by a smooth integument (Fig. 9A), antennae with tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod (Figs 9B, 10A) lacks a distal lobe, with the posterior edge truncated or gently curved, and the exopod I is triangular (Figs 9B, 10B), with a rounded external edge and a pronounced notch at the base of the two subequal ciliated rami, with the internal ramus slightly shorter and equally or slightly thinner. The male pleopod II endopod (Figs 9C, 10C) has a distal segment that is 4× the length of the basal segment and narrows to a very thin tip covered by a hyaline membrane, and the exopod II is trapezoidal, with a pronounced posterior internal tip (Figs 9D, 10D). Epigean species, but facultative in some caves (troglophilic).</p><p>Vandel (1946) noted that individuals preserved in alcohol were completely white and lacked an ocular apparatus. However, the specimens we collected are orange to reddish, except for some found inside caves, which are predominantly white, with a reddish ocellus. They lose their pigmentation when preserved in alcohol.</p><p>Distribution</p><p>The species is only known in Portugal and has been recorded from the districts of Algarve (Algarve Massif, Gruta da Senhora; Lagos, Gruta do Algar), Aveiro (Pampilhosa do Botão), Braga (Terras de Bouro), Coimbra (Cantanhede, Portuhos, Gruta d’el Rey), Leiria (Alvaiázere, Algar de Serra; Pôrto de Mós; Sicó Massif, Gruta Abrigo Tomar I; Soutocico, Algar de Rocha) and Lisboa (Cadaval, Algarve da Terra da Bôlha, Algarve nº1 da Senhora das Neves, Senhora das Neves, Montejunto; Buracos Mineiros; Cruz Quebrada) by Vandel (1946) and Reboleira et al. (2015; Fig. 11).</p></div>	https://treatment.plazi.org/id/F41887F51C14E870FDC7F9A1FC28D704	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C10E871FDF7FE3AFAA9D7F9.text	F41887F51C10E871FDF7FE3AFAA9D7F9.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides meridionalis Vandel 1946	<div><p>Trichoniscoides meridionalis Vandel, 1946</p><p>Fig. 12; Table 1</p><p>Trichoniscoides pseudomixtus meridionalis Vandel, 1946: 175, figs 16–19.</p><p>Trichoniscoides meridionalis – Vandel 1952: 266, figs 2, 13.</p><p>Remarks</p><p>This species is characterized by an integument with very weak granulations, antennae with tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod lacks a distal lobe, and the exopod is rectangular, without a notch at the base of the two unequal ciliated rami (internal one thicker). The male pleopod II endopod has a distal segment 3.6× the length of the basal segment, and it ends in a long, slender tip. This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This Portugese endemic species has been recorded from the districts of Leiria (Pôrto de Mós, Algar do Burro, Algar do Ladoeiro, Algar do Vale da Pena, Algar do Zé de Braga, Gruta do Almonda, Gruta do Papagaio, Gruta dos Moinhos Velhos, Lapa dos Ladoeiros, Lapa de Chá de Cima) and Santarém (Minde, Lapa da Ovelha and Gruta das Alcobertas) by Vandel (1946, 1952) and Reboleira et al. (2015; Fig. 12).</p></div>	https://treatment.plazi.org/id/F41887F51C10E871FDF7FE3AFAA9D7F9	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C11E872FDCDFE46FDF1D7BF.text	F41887F51C11E872FDCDFE46FDF1D7BF.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides ouremensis Vandel 1946	<div><p>Trichoniscoides ouremensis Vandel, 1946</p><p>Fig. 13; Table 1</p><p>Trichoniscoides pseudomixtus ouremensis Vandel, 1946: 177, figs 20–21.</p><p>Trichoniscoides ouremensis – Vandel 1952: 263, figs 2, 10.</p><p>Remarks</p><p>This species is characterized by an integument with weak granulations, antennae with tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod lacks a distal lobe, and the exopod is triangular with a notch at the base of the two equal ciliated rami. The male pleopod II endopod has a distal segment 3 × the length of the basal segment, ending in a long, slender and slightly curved tip, the exopod II is trapezoidal. This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This Portugal endemic species is only known from its type locality, Lapa Salgada in Fátima, Santarém district (Vandel, 1946; Fig. 13).</p></div>	https://treatment.plazi.org/id/F41887F51C11E872FDCDFE46FDF1D7BF	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C12E873FDA2FD84FCD3D34B.text	F41887F51C12E873FDA2FD84FCD3D34B.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides serrai Cruz 1993	<div><p>Trichoniscoides serrai Cruz, 1993</p><p>Figs 14–16; Table 1</p><p>Trichoniscoides serrai Cruz, 1993: 18, figs 2a–h.</p><p>Type material examined</p><p>Holotype PORTUGAL – Bragança • ♂; Miranda do Douro, Grutas de Santo Adrião; 24 Feb. 1987; Antoni Serra leg.; Antonio Cruz col.; CRBA-86825.</p><p>Allotype PORTUGAL – Bragança • ♀; same data as for holotype; Antonio Cruz col.; CRBA-86824.</p><p>Paratypes PORTUGAL – Bragança • 6 ♀♀, same data as for holotype; Antonio Cruz col.; CRBA-86826 • 2 ♂♂; same data as for holotype; Antonio Cruz col.; CRBA-86827 .</p><p>Other material examined</p><p>PORTUGAL – Bragança • 1 ♀; Miranda do Douro, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-6.4734&amp;materialsCitation.latitude=41.5298" title="Search Plazi for locations around (long -6.4734/lat 41.5298)">Grutas de Santo Adrião</a>; 41.5298° N, 6.4734° W; 29 Feb. 2024; L.P. Da Silva leg.; LPS879 .</p><p>Remarks</p><p>This species is characterized by a granulated dorsal integument (Fig. 14A), antennae with tubercles bearing scale-setae, and pereopod 7 without sexual dimorphism (Table 1). The male pleopod I endopod (Figs 14B–C, 15A) has a short, wide and rounded distal lobe with a sinuous edge, and the exopod is triangular (Figs 14C, 15B), with a notch at the base of the two unequal ciliated rami, with the internal ramus thinner than the external. The male pleopod II endopod (Figs 14D, 15C) has a distal segment 1.8× the length of the basal segment, ending in a long, slender tip with a chitinous shaft accompanied by a hyaline membrane, and the exopod II is trapezoidal (Figs 14D, 15D). This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This Iberian Peninsula endemic species is known from two caves: Gruta de Santo Adrião in Miranda do Douro (Bragança, Portugal) (Cruz 1993; Fig. 16) and Cueva de Valporquero in Vegacervera (León, Spain; Cifuentes, 2019a), which are 166 km apart.</p></div>	https://treatment.plazi.org/id/F41887F51C12E873FDA2FD84FCD3D34B	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C0CE86DFE1FFA6BFC8CD424.text	F41887F51C0CE86DFE1FFA6BFC8CD424.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides sicoensis Reboleira & Taiti 2015	<div><p>Trichoniscoides sicoensis Reboleira &amp; Taiti, 2015</p><p>Figs 17–19; Table 1</p><p>Trichoniscoides sicoensis Reboleira &amp; Taiti, 2015: 13, figs 7–9.</p><p>Material examined</p><p>PORTUGAL – Leiria • 1 ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.5247&amp;materialsCitation.latitude=39.9279" title="Search Plazi for locations around (long -8.5247/lat 39.9279)">Algar da Lagoa</a>; 39.9279° N, 8.5247° W; 29 Dec. 2023; L.P. Da Silva leg.; LPS868 • 1 ♂; same data as for preceding; LPS869a • 1 ♂; same data as for preceding; JC1124 (ex. LPS870a) .</p><p>Remarks</p><p>This species is characterized by a smooth integument (Fig. 17A), antennae with tubercles bearing scale-setae, and male pereopod 7 with sexual dimorphism (Table 1), merus bears a short process with a terminal spine in the middle of the sternal edge (Figs 17B, 18A). The male pleopod I endopod (Figs 17C, 18B) has a short triangular distal lobe, and the exopod (Figs 17D, 18C) is quadrangular with a rounded outer edge and lacks a notch at the base of the two unequal ciliated rami, with the internal ramus shorter and thinner than the external. The male pleopod II endopod (Figs 17E–F, 18D) has a distal segment 1.5× the length of the basal segment, terminating in a bifurcated and complex tip with two terminal spines, and the exopod (Fig. 18E) is trapezoidal, with a broadly rounded posterior internal tip. This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This Portugal endemic is known from the caves Gruta da Arrifana, Gruta da Senhora da Estrela, Gruta de São Simão, Gruta do Algarinho, Gruta do Soprador do Carvalho and Gruta da Cerâmica in Sicó Massif, and the district of Leiria (Reboleira et al. 2015; Fig. 19).</p></div>	https://treatment.plazi.org/id/F41887F51C0CE86DFE1FFA6BFC8CD424	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C0FE868FDFAFEB6FCD5D733.text	F41887F51C0FE868FDFAFEB6FCD5D733.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides subterraneus Vandel 1946	<div><p>Trichoniscoides subterraneus Vandel, 1946</p><p>Fig. 20; Table 1</p><p>Trichoniscoides machadoi subterraneus Vandel, 1946: 173, figs 13–15.</p><p>Trichoniscoides subterraneus – Vandel 1952: 264, figs 2, 11.</p><p>Remarks</p><p>This species is characterized by a smooth integument, antennae with tubercles bearing scale-setae, and the male pereopod 7 sexually dimorphic, with a short and thick merus, carpus and propodus (Table 1). The male pleopod I endopod has a very long and triangular distal lobe with a rounded tip, and the exopod is triangular with rounded sides and a strong notch at the base of the two unequal rami stalks, with the internal one much smaller than the external. The male pleopod II endopod has a distal segment 3.6× the length of the basal segment, with a very thin, long and sharp tip. This is a troglobiotic species (Table 1).</p><p>Distribution</p><p>This Portugese endemic is only known from its type locality, Gruta Alta do Cabeco dos Mosqueiros, in Aljubarrota, Leiria district (Vandel 1946; Fig. 20).</p></div>	https://treatment.plazi.org/id/F41887F51C0FE868FDFAFEB6FCD5D733	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C08E86BFDC5FE12FD31D502.text	F41887F51C08E86BFDC5FE12FD31D502.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides castanheirensis Cifuentes & Da Silva 2026	<div><p>Trichoniscoides castanheirensis sp. nov.</p><p>urn:lsid:zoobank.org:act: E34DAC4B-4165-445B-B5E8-F494935FB8A0</p><p>Figs 21–24; Table 1</p><p>Trichoniscoides species C, Gregory et al. 2012: 14, fig. 4.</p><p>Diagnosis</p><p>Coloration orange. Ocular apparatus with large black ocellus. Granular integument. Antenna with tubercles bearing scale-setae and three-segmented flagellum. In males, pereopods 1 and 2 with hyaline scales on merus and carpus, pereopod 3 with scales only on merus, pereopod 7 with hook-like process on merus. Male pleopod I endopod with triangular distal lobe; exopod trapezoidal with two unequal ciliated rami (internal smaller). Male pleopod II endopod broad, with hyaline membrane, ending in short, wide, triangular tip; exopod rectangular.</p><p>Etymology</p><p>The specific name refers to Castanheira, the locality where the specimens that prompted the description of the new species were found.</p><p>Type material</p><p>Holotype PORTUGAL – Viana do Castelo • ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.562&amp;materialsCitation.latitude=41.9136" title="Search Plazi for locations around (long -8.562/lat 41.9136)">Castanheira</a>; 41.9136° N, 8.5620° W; 12 Nov. 2023; L.P. Da Silva leg.; MNCN 20.04/21006 (ex. LPS792a).</p><p>Paratypes PORTUGAL – Viana do Castelo • 1 ♀; same data as for holotype; MNCN 20.04/21007 (ex. LPS792b) • 1 ♀; same data as for holotype; LPS792c • 1 ♂, same data as for holotype; JC1048 (ex. LPS794) .</p><p>Description</p><p>MEASUREMENTS. Maximum observed length: female 3 mm, male 2 mm.</p><p>COLORATION. Orange, with marked muscle insertions and one large black ocellus (Fig. 21A).</p><p>INTEGUMENTARY CHARACTERS. Integument with granulation (Fig. 21A), five rows on cephalon, four on pereonite I, three on pereonite II, two on pereonite III to VII. Additional row along posterior margin of each pereonite. In pleon, one row along posterior margin of first three pleonites.</p><p>APPENDAGES. Antennules with three segments, second slightly shorter, third rectangular, very narrow, with three long terminal aesthetascs and lateral spine (Fig. 22A). Antennae very short (Fig. 21A), barely extending beyond posterior margin of pereonite I, with tubercles bearing scale-setae on fourth and fifth segments. Flagellum with three subequal segments, second with group of long aesthetascs. Buccal parts (Fig. 22B–F) as in congeners: left mandible with three free penicils (Fig. 22B), right mandible with two free penicils (Fig. 22C; rotated to show lacinia mobilis in its position); inner endite of maxillula with three free penicils (Fig. 22D).</p><p>MALE SEXUAL CHARACTERS. Pereopod 1 (Fig. 23B) and 2 with triangular hyaline scales on merus and carpus; carpus I tip with group of fan-shaped setae. Pereopod 3 merus has two groups of setae. Pereopod 7 merus with strong, curved hook-like process (Figs 21B, 23B), inserted at sternal edge and ending in small seta. Pleopod I endopod triangular (Figs 21C, 23C) with thick ciliated ramus inserted laterally, forming triangular distal lobe with rounded tip; ramus same length article it is inserted into, ending in lanceolate tip. Exopod I trapezoidal (Figs 21D, 23D) with rounded outer margin and two unequal long ciliated rami, outer thicker than inner one, no notch at base of ciliated rami. Pleopod II endopod straight (Figs 21E, 23E), very broad, surrounded by large hyaline membrane, with distal segment as long as basal one, ending in short, wide, claw-like apically rounded tip. Exopod II rectangular (Fig. 23F), much wider than long, lacking internal tip, having small ciliated stem and spine, with fan-shaped setae on internal and external margins.</p><p>Ecology</p><p>Trichoniscoides castanheirensis sp. nov. is an epigean species (Table 1) found among large accumulation of wet leaf litter of deciduous trees, predominantly Quercus orocantabrica Rivas Mart., Penas, T.E. Díaz &amp; Llamas.</p><p>Remarks</p><p>Specimens matching this species, based on pereopod 7 and pleopods I and II, were previously found at Castanheira by Gregory et al. (2012). However, they were not formally described or named and were simply referred to as Trichoniscoides species C .</p></div>	https://treatment.plazi.org/id/F41887F51C08E86BFDC5FE12FD31D502	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C04E867FDD2FEB6FD79D49F.text	F41887F51C04E867FDD2FEB6FD79D49F.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides cordovensis Cifuentes & Da Silva 2026	<div><p>Trichoniscoides cordovensis sp. nov.</p><p>urn:lsid:zoobank.org:act: B5E7F5EA-6889-4711-8FC3-F85D295C8AFD</p><p>Figs 25–27; Table 1</p><p>Diagnosis</p><p>Coloration orange to dark red. Ocular apparatus with large ocellus, from orange to black. Granular integument.Antenna with tubercles bearing scale-setae and three-segmented flagellum. In males, pereopods 1 and 2 with hyaline scales on merus and carpus, pereopod 7 with conical process on merus. Male pleopod I endopod with long, triangular distal lobe, exopod trapezoidal with two unequal ciliated rami (internal shorter and much thinner). Male pleopod II endopod broad, with hyaline membrane, exopod trapezoidal.</p><p>Etymology</p><p>The specific name refers to Monte Cordova, whose waters feed the Leça River and Quedas da Fervença, where the riparian gallery inhabited by this species is located.</p><p>Type material</p><p>Holotype PORTUGAL – Porto • ♂; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4495&amp;materialsCitation.latitude=41.301" title="Search Plazi for locations around (long -8.4495/lat 41.301)">Valinhas</a>; 41.3010° N, 8.4495° W; 1 Nov. 2022; L.P. Da Silva leg.; MNCN 20.04/21008 (ex. LPS490).</p><p>Paratypes PORTUGAL – Porto • 1 ♀; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4494&amp;materialsCitation.latitude=41.3008" title="Search Plazi for locations around (long -8.4494/lat 41.3008)">Valinhas</a>; 41.3008° N, 8.4494° W; 1 Nov. 2022; L.P. Da Silva leg.; LPS491 • 1 ♀; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.449&amp;materialsCitation.latitude=41.3011" title="Search Plazi for locations around (long -8.449/lat 41.3011)">Valinhas</a>; 41.3011° N, 8.4490° W; 1 Nov. 2022; L.P. Da Silva leg.; LPS492 • 1 ♂; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4487&amp;materialsCitation.latitude=41.301" title="Search Plazi for locations around (long -8.4487/lat 41.301)">Valinhas</a>; 41.3010° N, 8.4487° W; 1 Nov. 2022; L.P. Da Silva leg.; LPS493 • 1 ♀; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4489&amp;materialsCitation.latitude=41.3012" title="Search Plazi for locations around (long -8.4489/lat 41.3012)">Valinhas</a>; 41.3012° N, 8.4489° W; 4 Mar. 2023; L.P. Da Silva leg.; LPS744 • 2 ♀♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4489&amp;materialsCitation.latitude=41.3011" title="Search Plazi for locations around (long -8.4489/lat 41.3011)">Quedas da Fervença-Valinhas</a>; 41.3011° N, 8.4489° W; 4 Mar. 2023; L.P. Da Silva leg.; LPS745 • 1 ♂; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4495&amp;materialsCitation.latitude=41.301" title="Search Plazi for locations around (long -8.4495/lat 41.301)">Valinhas</a>; 41.3010° N, 8.4495° W; 22 Oct. 2023; L.P. Da Silva leg.; JC1049 (ex. LPS776a) • 4 ♀♀; same data as for preceding; LPS776b • 1 ♀; same data as for preceding; MNCN 20.04/21009 (ex. LPS776c) • 1 ♀; same data as for preceding; JC1050 (ex. LPS776d) • 4 ♀♀; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4486&amp;materialsCitation.latitude=41.3011" title="Search Plazi for locations around (long -8.4486/lat 41.3011)">Valinhas</a>; 41.3011° N, 8.4486° W; 22 Oct. 2023; L.P. Da Silva leg.; LPS777 • 1 ♂; Quedas da Fervença, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-8.4488&amp;materialsCitation.latitude=41.3015" title="Search Plazi for locations around (long -8.4488/lat 41.3015)">Valinhas</a>; 41.3015° N, 8.4488° W; 22 Oct. 2023; L.P. Da Silva leg.; LPS778 .</p><p>Description</p><p>MEASUREMENTS. Maximum observed length: female 2.8 mm, male 2.1 mm.</p><p>COLORATION. Males light orange with large orange ocellus. Females dark red with large black ocellus (Fig. 25A).</p><p>INTEGUMENTARY CHARACTERS. Integument with granulation (Fig. 25A), four rows on cephalon, four on pereonite I, three on remaining pereonites, with one row on posterior margin. In pleon, one row of marked granulations on posterior margin of first three pleonites, rest very fine. Granulations fade toward posterior region.</p><p>APPENDAGES. Antennules with three segments, second shortest, third with three long aesthetascs (Fig. 26A). Antennae short (Figs 25A, 26B), barely extending beyond posterior margin of pereonite I, with tubercles bearing scale-setae on fourth and fifth segments. Flagellum with three subequal segments, second with group of long aesthetascs. Buccal parts as in other species.</p><p>MALE SEXUAL CHARACTERS. Pereopod 1 (Fig. 26C) and 2 with triangular hyaline scales on merus and carpus; carpus I tip with group of fan-shaped setae. Pereopod 7 merus with strong and straight process (Figs 25B, 26D), inserted in anterior half, bearing small seta. Pleopod I endopod with ciliated ramus inserted laterally, forming large triangular distal lobe (Figs 25C, 26E). Exopod I trapezoidal (Figs 25D, 26F) with rounded outer margin and two unequal long ciliated rami, outer much thicker than inner. Pleopod II endopod straight (Figs 25E, 26G), very broad, with distal segment twice the length of basal segment, surrounded by large hyaline membrane, ending in sharp tip reinforced with chitinous shaft. Exopod II trapezoidal (Fig. 26H), lacking internal tip, with two small ciliated stems and fan-shaped setae on internal and external edges.</p><p>Ecology</p><p>Trichoniscoides cordovensis sp. nov. is an epigean species (Table 1) found among wet leaf litter in a relatively well-preserved riparian gallery. All specimens were found in the litter accumulated at the base of relatively large Quercus suber L. trees.</p></div>	https://treatment.plazi.org/id/F41887F51C04E867FDD2FEB6FD79D49F	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
F41887F51C07E863FDB8FCA6FE83D5A3.text	F41887F51C07E863FDB8FCA6FE83D5A3.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichoniscoides oloensis Cifuentes & Da Silva 2026	<div><p>Trichoniscoides oloensis sp. nov.</p><p>urn:lsid:zoobank.org:act: 3131C46F-1E1C-4E1F-9A2B-D28D47EAB7C3</p><p>Figs 28–30; Table 1</p><p>Diagnosis</p><p>Coloration orange. Ocular apparatus with large black ocellus. Granular integument.Antenna with tubercles bearing scale-setae and three-segmented flagellum. In males, pereopods 1 and 2 with hyaline scales on merus and carpus, pereopod 7 with short blunt process on merus. Male pleopod I endopod with small, rounded distal lobe; exopod triangular with long posterior-internal extension at posterior-internal edge and two subequal ciliated rami (internal slightly shorter and thinner). Male pleopod II endopod broad with hyaline membrane; exopod trapezoidal, with sinuous posterior edge and short, broad posterior-internal tip, rounded with large ciliated ramus.</p><p>Etymology</p><p>The species name refers to the type locality, the Olo River, which is used for an old irrigation system, preserving traditional land use.</p><p>Type material</p><p>Holotype PORTUGAL – Vila Real • ♂; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-7.8006&amp;materialsCitation.latitude=41.3688" title="Search Plazi for locations around (long -7.8006/lat 41.3688)">Lamas de Olo</a>; 41.3688° N, 7.8006° W; 30 Oct. 2022; L.P. Da Silva leg.; MNCN 20.04/21010 (ex. LPS488).</p><p>Paratypes PORTUGAL – Vila Real • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-7.8004&amp;materialsCitation.latitude=41.3687" title="Search Plazi for locations around (long -7.8004/lat 41.3687)">Lamas de Olo</a>; 41.3687° N, 7.8004° W; 30 Oct. 2022; L.P. Da Silva leg.; LPS487 • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-7.8007&amp;materialsCitation.latitude=41.3687" title="Search Plazi for locations around (long -7.8007/lat 41.3687)">Lamas de Olo</a>; 41.3687° N, 7.8007° W; 13 May 2023; L.P. Da Silva leg., JC1051 (ex. LPS762) • 1 ♀; <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-7.8008&amp;materialsCitation.latitude=41.3688" title="Search Plazi for locations around (long -7.8008/lat 41.3688)">Lamas de Olo</a>; 41.3688° N, 7.8008° W; 13 May 2023; L.P. Da Silva leg.; LPS763 .</p><p>Description</p><p>Measurements. Maximum observed length: female 2.3 mm, male 2 mm.</p><p>Coloration. Living specimens orange, progressively fading in ethanol (Fig. 28A). Eye apparatus consists of large black ocellus.</p><p>Integumentary characters. Integument with marked granulations (Fig. 28A), five rows on cephalon, one on posterior margin. Three rows on pereonite I and two on other pereonites, one on posterior margin of each pereonite. One row of small granulations on posterior margin of each pleonite, more pronounced on first three pleonites. Appendages.Antennules with three segments, second shortest, third with three long aesthetascs (Fig. 29A). Antennae very short (Fig. 29B), barely extending beyond posterior margin of pereonite I, with tubercles bearing scale-setae. Flagellum with three segments, second one longer than others, with group of long aesthetascs. Buccal parts as in other species.</p><p>Male sexual characters. Pereopod 1 (Fig. 29C) and 2 with hyaline scales on merus and carpus on sternal edge. Pereopod 7 merus (Figs 28B, 29D) with strong blunt process in posterior third of sternal edge, bearing small seta. Pleopod I endopod rectangular (Figs 28C, 29E) with small distal lobe with rounded tip, having ciliated rami 1.4 × as long as basal segment. Exopod I triangular (Figs 28D, 29F) with rounded posterior internal lamina and strong notch at base of subequal ciliated rami (internal slightly shorter and thinner), each with very small setae. Pleopod II endopod broad (Figs 28E, 29G), straight, with hyaline membrane, distal segment twice as long as basal segment, ending in short tip reinforced with chitinous shaft. Exopod II trapezoidal (Fig. 29H) with sinuous posterior margin and short, broad posterior-internal tip with rounded end, having strong ciliated stem surrounded by fan-shaped setae on internal and external margins.</p><p>Ecology</p><p>Trichoniscoides oloensis sp. nov. is an epigean species (Table 1) found on dead wood and among leaf litter of Alnus lusitanica Vít, Douda &amp; Mandák, Quercus pirenaica Willd. and other deciduous trees, in very wet soil.</p></div>	https://treatment.plazi.org/id/F41887F51C07E863FDB8FCA6FE83D5A3	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Cifuentes, Julio;Da Silva, Luis P.	Cifuentes, Julio, Da Silva, Luis P. (2026): The genus Trichoniscoides Sars, 1899 (Isopoda: Oniscidea: Trichoniscidae) from Portugal, with descriptions of three new species. European Journal of Taxonomy 1034: 271-305, DOI: 10.5852/ejt.2026.1034.3169, URL: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3169/14093
