identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
B98B7AD14D0554019543BA444B4613B7.text	B98B7AD14D0554019543BA444B4613B7.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Laophontella changi Seo & Cho & Lee 2026	<div><p>Laophontella changi sp. nov.</p><p>Figs 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14</p><p>Type locality.</p><p><a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=126.64322&amp;materialsCitation.latitude=33.55288" title="Search Plazi for locations around (long 126.64322/lat 33.55288)">Gwangot</a> (33°33'10.37"N, 126°38'35.60"E), Jeju Island, Korea.</p><p>Type material.</p><p>Holotype. • One adult ♀ (MABIK CR 00261201), preserved in a vial with 80 % ethanol, collected from the type locality, 25 May 2024, by K Cho and JH Shin . Allotype. • One adult ♂ (MABIK CR 00261202), preserved in a vial with 80 % ethanol, collection data as in holotype . Paratypes. • Two adult ♀♀ (MABIK CR 00261203, 261205) and one adult ♀ (MInRB -Hr 108-S 001), each dissected and mounted on three H-S slides; • two adult ♂♂ (MABIK CR 00261204, 261206) and one adult ♂ (MInRB -Hr 108-S 003), each dissected and mounted on three H-S slides; • five adult ♀♀ and five adult ♂♂ on a stub for SEM; • two CV ♀♀ (MABIK CR 00261207, 261209) and one CV ♀ (MInRB -Hr 108-S 007), each dissected and mounted on three H-S slides; • two CV ♂♂ (MABIK CR 00261208, 261210) and one CV ♂ (MInRB -Hr 108-S 009), each dissected and mounted on three H-S slides; • five CV ♀♀ and three CV ♂♂ on a stub for SEM. Collection data as in holotype .</p><p>Other material examined.</p><p>• One adult ♀ (MInRB -Hr 108-L 001) and one adult ♂ (MInRB -Hr 108-L 002), preserved in a vial with 80 % ethanol, collected near <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=126.95312&amp;materialsCitation.latitude=33.524837" title="Search Plazi for locations around (long 126.95312/lat 33.524837)">Deuksaenggot Lighthouse</a> (33°31'29.41"N, 126°57'11.24"E), Udo Islet, Jeju Island, 31 July 2024, by J Lee, K Cho, and JH Shin ; • one adult ♀ (MInRB -Hr 108-L 003) and one adult ♂ (MInRB -Hr 108-L 004), preserved in a vial with 80 % ethanol, collected from <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.43666&amp;materialsCitation.latitude=34.99389" title="Search Plazi for locations around (long 128.43666/lat 34.99389)">Janghang port</a> (34°59'38.00"N, 128°26'12.00"E), Goseong, 24 May 2020, by JG Kim ; • one adult ♂ (MInRB -Hr 108-L 005), preserved in a vial with 80 % ethanol, collected from <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=129.41733&amp;materialsCitation.latitude=37.006153" title="Search Plazi for locations around (long 129.41733/lat 37.006153)">Daenari port</a> (37°00'22.15"N, 129°25'02.37"E), Uljin, 24 July 2024, by J Lee, K Cho, and JH Shin ; • one adult ♀ (MInRB -Hr 108-L 006), preserved in a vial with 80 % ethanol, collected from <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=131.86427&amp;materialsCitation.latitude=37.2431" title="Search Plazi for locations around (long 131.86427/lat 37.2431)">Mulgol</a> (37°14'35.16"N, 131°51'51.37"E), West Islet, Dokdo Island, 27 May 2015, by HS Rho and JH Lee .</p><p>Differential diagnosis.</p><p>In the female, a distinctly seven-segmented antennule, a ventral cuticular expansion with an undulating edge on the first free abdominal somite, caudal rami with a C-shaped proximal dorsolateral expansion and auriform lateral elevation, and a markedly elongate inner seta on P 4 exp - 2, ~ 2 × as long as exp - 2. In the male, a long inner seta on P 2 enp - 2 and a hoe-shaped outer spine on P 3 enp - 2.</p><p>Description.</p><p>Adult female. Body length (holotype, measured in lateral view from anterior margin of rostrum to posterior margin of caudal rami) 1.07 mm (range: 1.07–1.19 mm, n = 12). Habitus (Figs 2 A, 12 A) subcylindrical, gradually tapering posteriorly; integument strongly chitinized. Prosome (Fig. 2 A) slightly shorter than urosome, comprising the cephalothorax (cephalosome completely fused with first pedigerous somite) and three free pedigerous somites. Each somite bearing a pair of pointed posterolateral processes, decreasing in size towards posterior somite; posterior margin finely serrated due to surface ornamentation. Cephalothorax (Figs 2 A, 12 B) rectangular, slightly longer than wide, occupying ~ 34 % of body length (measured excluding posterolateral process); dorsal surface covered with numerous, well-defined cuticular pores of various sizes, together with integumental pores and sensilla as figured. Surface of free prosomites with numerous cuticular pits and scattered denticles. P 2 - bearing somite with pointed posterolateral processes as long as those on cephalothorax. P 3 - and P 4 - bearing somites with relatively short posterolateral processes.</p><p>Urosome</p><p>(Figs 2 A, 2 B, 12 C) comprising P 5 - bearing somite, genital double-somite, and three free abdominal somites; dorsal surface ornamented with several sensilla, minute pits, and scattered denticles. Dorsal posterior margins of somites finely serrated due to surface ornamentation. Genital somite and first abdominal somite fused, forming genital double-somite; original segmentation marked by distinct dorsolateral surface ridge and two pairs of small lateral projections, the latter causing the lateral margins to appear partially separated; ventral surface with a pair of pores; ventral distal margin with a fringe of long setules (Fig. 2 B). Genital field (Fig. 2 C) located medially on anterior half of genital double-somite, with a copulatory pore, and the area surrounding the pore slightly protruding on both sides. P 6 (Fig. 2 C) represented by a small segment bearing one outer naked and two apical setae, the inner one unipinnate. First free abdominal somite (Figs 2 A, 2 B, 12 C) with distal margin distinctly flared and slightly expanded laterally; with a ventral cuticular expansion bearing an undulating edge (indicated by arrowhead in Figs 2 B, 12 C). Second free abdominal somite (Figs 2 A, 2 B, 12 C) smaller than the first dorsally; ventral margin finely serrated due to surface ornamentation. Anal somite (Figs 2 A, 2 B, 7 A, 7 B, 12 C) laterally expanded, with prominently rounded lateral margins, shorter than maximum width; posteroventral margin serrated due to surface ornamentation (Figs 7 A, 13 B); dorsal surface with one pair of sensilla, two pairs of lateral pores, one pair of ventral pores, and prominent posterolateral processes. Anal operculum ornamented with fine spinules.</p><p>Caudal rami (Figs 2 A, 2 B, 7 A, 7 B, 13 A – C) ~ 1.6 × as long as maximum width; proximal dorsolateral region distinctly expanded (C-shaped in lateral view, indicated by ‘ a’ in Figs 7 A, 7 B, 13 A, 13 C); lateral margin with a broad auriform lateral elevation (indicated by ‘ b’ in Figs 7 A, 7 B, 13 A – C); with a pronounced ventrolateral bulge extending from proximal region toward insertion of seta III, bulge interrupted medially to form a short acute projection; inner margin distinctly concave. Surface covered with numerous denticles and scattered pits; with three pores, one each on dorsal, ventral, and lateral surfaces; with seven setae: ventrolateral setae I and II inserted in proximal third of the ramus, the former strongly reduced, the latter 4 × the length of seta I; seta III near the distal outer corner, slightly longer than seta II; terminal setae IV and VI short, reduced; seta IV basally fused with seta V; seta V well-developed, longest, ~ 5 × as long as seta II; seta VII tri-articulate, arising dorsally at distal ~ 1 / 6 of the ramus length.</p><p>Rostrum (Fig. 2 A) broad, completely fused to the cephalothorax, with a pair of apicolateral sensilla. Integumental ornamentation similar to that of the dorsal surface of cephalothorax.</p><p>Antennule (Fig. 3 A) seven-segmented. First segment longest, with a bent process at distal ~ 1 / 3 of inner margin and a tube pore (indicated by arrowhead in Fig. 3 A). Second segment half as long as first segment, bearing an aesthetasc fused to a naked seta on the distal inner process. Fifth segment shortest. Seventh segment distally with a small aesthetasc fused to two naked setae. Armature formula: 1 - [10], 2 - [11 + (1 + ae)], 3 - [2], 4 - [3], 5 - [2], 6 - [2], 7 - [5 + acrothek].</p><p>Antenna (Fig. 3 B). Coxa small and unornamented. Basis elongate, ornamented with several minute inner spinules. Endopod two-segmented; proximal segment slightly shorter than basis, anteriorly partially fused to basis, bearing one abexopodal seta at mid-inner margin; distal segment slightly longer than basis, ornamented with several rows of minute spinules, two outer subdistal hyaline frills, and one distal tube pore; with following armature: laterally two setae and two spines; distally one spine, four geniculate, and two naked setae, the two outermost distal setae basally fused. Exopod arising distally on basis, one-segmented, with one lateral and two distal setae; outermost distal seta basally fused to segment and distally spinulose.</p><p>Mandible (Fig. 3 C). Coxa long, bearing a fin-like process; gnathobase well-developed, with two blunt teeth, several uni- and multi-cuspidate teeth, and one pinnate seta. Palp biramous, consisting of basis, two-segmented exopod, and one-segmented endopod. Basis elongated, gradually widening distally, with three pinnate setae, and ornamented with two rows of spinules and several setules on anterior surface. Exopod shorter than endopod; proximal segment with two naked setae; distal segment smaller than proximal segment, with four naked setae (one subdistal and three terminal). Endopod one-segmented, with two lateral (one pinnate and one naked) and seven terminal setae.</p><p>Maxillule (Fig. 3 D). Praecoxa ornamented with outer setules; arthrite well-developed, with two juxtaposed anterior naked setae, eight distal spines, one distal naked, one subdistal pinnate, and two posterior pinnate setae; posterior surface with several spinules. Coxa with anterior outer setules and posterior inner spinules; coxal epipodite represented by one bipinnate seta; coxal endite cylindrical, with two naked and four pinnate setae, and a row of anterior spinules. Basis with a row of anterior spinules, and with eight setae. Exopod one-segmented, with inner setules and three distal plumose setae. Endopod one-segmented, with outer setules and four setae.</p><p>Maxilla (Fig. 3 E). Syncoxa large, ornamented with a row of spinules and a row of setules along outer margin, and two rows of denticles on anterior surface; with three endites: proximal endite bilobed, proximal lobe with one naked and two pinnate setae, the anterior seta basally fused to lobe, distal lobe with one pinnate seta; middle and distal endites each with three pinnate setae; each endite ornamented posteriorly with a row of spinules. Allobasis drawn out into a curved claw, with one spinulose and three naked setae distally (one short and two long), and one long naked seta proximally. Endopod two-segmented; proximal segment with one pinnate and two naked setae, one of these latter very short; distal segment with four naked setae.</p><p>Maxilliped (Fig. 3 F) subchelate, comprising syncoxa, basis, and one-segmented endopod. Syncoxa elongate, ornamented anteriorly and posteriorly with rows of various-sized spinules, and with three bipinnate setae on distal inner corner. Basis longer than syncoxa, with two bipinnate setae at mid-inner margin. Endopod with a claw bearing a row of minute spinules along distal half of inner concave margin, and with one unipinnate and two naked setae, one of these latter very short.</p><p>P 1 (Fig. 4 A). Intercoxal sclerite small, subrectangular. Coxa large, laterally elongate; anterior surface with reticulate sculpture and several denticles; a proximal row of setules near outer margin, several distal rows of spinules and a pore near the basis. Basis much smaller than coxa, articulated to inner margin of coxa, with one inner bipinnate and one outer plumose seta. Exopod three-segmented, each segment with outer marginal and posterior spinules; exp - 1 without inner setules and with one outer bipinnate seta; exp - 2 with inner setules and one outer geniculate unipinnate seta; exp - 3 with inner setules, one outer tube pore, and four geniculate unipinnate setae (two outer and two distal). Endopod two-segmented, both segments with posterior spinules; enp - 1 with inner setules, outer spinules, and one inner plumose seta; enp - 2 with inner and outer setules, and two distal geniculate unipinnate setae.</p><p>P 2 (Fig. 4 B). Intercoxal sclerite subrectangular. Coxa rectangular, ornamented with a reticulate pattern on anterior surface, with spinules along outer margin. Basis smaller than coxa and laterally wider than that of P 1; anterior surface with an acute inner projection, and with one pore near outer basal naked seta; distal margin with a minute acute projection between rami. Exopod three-segmented, each segment with outer marginal and posterior spinules; exp - 1 with inner setules, a large distal hyaline frill, and one outer bipinnate spine; exp - 2 with inner setules, a large distal hyaline frill, one outer bipinnate spine, and one inner plumose seta; exp - 3 with one anterodistal pore, two outer bipinnate and one apical bipinnate spine, one apical bipinnate, and two inner plumose setae. Endopod two-segmented; enp - 1 with inner setules and outer spinules, bearing one thick inner seta, unilaterally pectinate distally; enp - 2 with inner and outer setules, and posterior spinules, bearing two bipinnate (one outer and one apical) and one apical plumose seta.</p><p>P 3 (Fig. 4 C). Intercoxal sclerite trapezoidal. Coxa as in P 2. Basis as in P 2, except with two larger projections on the distal margin. Exopod as in P 2, except exp - 1 and exp - 2 lacking spinules on posterior surface, and each with outer spine longer than in P 2. Endopod as in P 2, except enp - 1 with an anterodistal pore.</p><p>P 4 (Fig. 4 D). Intercoxal sclerite fused to the coxa. Coxa asymmetrically trapezoidal, inner margin narrow and outer margin distinctly broader; ornamentation as in P 2. Basis as in P 2. Exopod three-segmented; exp - 1 and exp - 2 as in P 3, but with shorter outer spines; exp - 2 with three anterior pores; exp - 3 very short, with one anterodistal pore, four slender naked (two outer and two apical), and one very long thick seta, the distal half of the latter unilaterally pectinate. Endopod two-segmented, reduced compared to those of P 2 and P 3; enp - 1 with inner setules, and distal and outer spinules, bearing one inner seta, the distal half of the latter unilaterally pectinate; enp - 2 with outer setules, bearing one apical bipinnate seta. Armature formulae of P 1 – P 4 as follows:</p><p>P 5 (Figs 4 E, 12 A) foliaceous, with baseoendopod and exopod completely fused, a bulge on outer edge, and one outer proximal seta (outer basal seta); inner edge with a fringe of short setules. Surface ornamentation regionally differentiated (Fig. 12 A): inner area partly smooth and distally denticulate; median and outer surfaces densely denticulate with lamellate, terraced folds; outer margin with a reticulate pattern. Distally armed with 11 setae: six setae of exopodal origin, comprising one outer subdistal naked, and five setae along distal margin, and five setae of endopodal origin, including one short bipinnate seta at ~ 2 / 3 of inner margin; distal margin (Fig. 4 F) with a minute bifid process between third and fourth setae of the distal series.</p><p>Adult male. Body length (allotype, measured in lateral view) 0.83 mm (range: 0.83–0.97 mm, n = 12). Habitus (Figs 5 A, 12 D) as in the female except for urosomal segmentation with second and third urosomites separated. Sexual dimorphism also observed in caudal rami, antennule, and P 2 – P 6.</p><p>Urosome (Figs 5 A, 6 F, 12 E) six-segmented with ornamentation as figured. First free abdominal somite with a patch of spinules along posteroventral margin (Fig. 6 F). First to third free abdominal somites with weakly crenulate projections along posteroventral margins (Figs 6 F, 12 E).</p><p>Caudal rami (Figs 5 A, 6 F, 7 C, 7 D, 13 D – F) ~ 2 × as long as wide, slenderer and more cylindrical than in the female, proximal outer margin with weak cuticular expansions dorsolaterally (indicated by ‘ c’ in Figs 7 C, 7 D, 13 D – F); surface ornamentation similar to that of the female; caudal seta III inserted more laterally than in the female; seta VII arising dorsally at distal ~ 1 / 4 of ramus length.</p><p>Antennule (Fig. 5 B, C) seven-segmented, subchirocer, with geniculation between fifth and sixth segments. First segment with a bent process and a tube pore as in the female. Fourth segment smallest. Fifth segment distinctly swollen, inner surface with a concavity; inner margin with two small triangular projections; surface irregularly reticulate. Seventh segment cylindroconical, with a small aesthetasc basally fused to two naked setae. Armature formula: 1 - [1], 2 - [11], 3 - [8], 4 - [2], 5 - [11 + (1 + ae)], 6 - [1], 7 - [8 + (acrothek)].</p><p>P 2 exopod as in the female. Enp- 1 (Fig. 6 A) with inner seta slightly thicker than that of the female. Enp- 2 (Fig. 6 A) with two naked and robust apical setae, both shorter than those of the female, and the outer one basally fused to the segment. Inner seta naked and shorter than that of the female.</p><p>P 3 exopod as in the female. Enp- 1 (Fig. 6 B) with inner seta slightly thicker than that of the female. Enp- 2 (Fig. 6 B) with an outer marginal spinular row; two apical setae similar to those of the female; and one modified outer spine, medially bipinnate and hoe-shaped.</p><p>P 4 (Fig. 6 C). Basis inner projection minute and reduced. Exopod and endopod as in the female, except for the robust outer spines on exp - 1 and exp - 2, the longer two apical bipinnate setae on exp - 3, and the presence of outer marginal spinules on enp - 2.</p><p>P 5 (Fig. 6 E) not foliaceous, smaller than that of the female. Baseoendopods of right and left legs fused medially; anterior surface with one pore and several rows of spinules and denticles, bearing one outer basal seta. Endopodal lobe distinctly protruded, cylindrical, reaching ~ 1 / 2 the length of exopod, with one anterodistal pore and three bipinnate setae (one inner and two distal). Exopod one-segmented, ~ 2 × as long as maximum width; with two anterodistal pores; proximal half of outer margin strongly dentate and bearing an acute outer process below outer proximal seta; armature consisting of one outer bipinnate, two outer naked, two apical bipinnate, and one inner plumose seta.</p><p>P 6 (Fig. 6 F) asymmetrical, with one plate fused to ventral wall of supporting somite and the opposite plate free; distal outer corner with three naked setae.</p><p>CV Female. Body length (paratype, measured in lateral view from anterior margin of rostrum to posterior margin of caudal rami) 0.95 mm (range: 0.85–0.95 mm, n = 8). Habitus (Fig. 8 A) generally as in the adult female, subcylindrical, gradually tapering posteriorly, but body composed of nine somites. Prosome (Fig. 8 A) with each somite bearing a pair of pointed posterolateral processes; these processes proportionally longer and more strongly developed than in the adult female. Dorsal surface of the cephalothorax covered with fewer and less well-developed cuticular pores than in the adult female.</p><p>Urosome (Figs 8 A, 10 E, 12 F) comprising P 5 - bearing somite, genital somite, and three free abdominal somites; dorsal surface ornamentation and posterior marginal shape of urosomites as in the adult female. Urosomites dorsally with distal margins distinctly flared and laterally expanded, more strongly than those of the adult female. P 6 (Fig. 10 E) represented by a small triangular plate, fused to somite, bearing three setae. First and second free abdominal somites (Figs 10 E, 12 F) with weakly crenulate projections along posteroventral margins. Anal somite (Figs 8 A, 10 E, 11 A, 11 B, 12 F) laterally less expanded than that of the adult female; lateral margins obliquely rounded; other features as in the adult female.</p><p>Caudal rami (Figs 8 A, 10 E, 11 A, 11 B, 14 A – C) ~ 1.1 × as long as maximum width; proximal dorsolateral region (indicated by ‘ a’ in Figs 11 A, 11 B, 14 A, 14 C) expanded and weakly ornamented; outer margin in proximal half laterally produced into a wing-shaped projection (indicated by ‘ b’ in Figs 11 A, 11 B, 14 A – C), bearing several denticles; with pronounced ventrolateral bulge from proximal region toward insertion of seta III. Surface mostly smooth except for a dorsolateral expansion and a wing-shaped projection; with three pores, each one on dorsal, ventral, and lateral surfaces; with seven setae: ventrolateral setae I and II inserted in proximal third of the ramus; seta III near the distal outer corner on ventral side; setae IV and VI short, reduced; seta IV basally fused with seta V; seta V well-developed, longest; seta VII tri-articulate, arising dorsally at distal ~ 1 / 5 of the ramus length.</p><p>Antennule, antenna, and mouthparts as in the adult.</p><p>P 1 – P 3 (Fig. 9 A – C) as in the adult female, except that exopodal segments in P 2 and P 3 relatively broader than those of the adult, and the outer apical seta of enp - 2 relatively shorter than in the adult; segmentation of P 1 exp - 2–3 variable (see Variability).</p><p>P 4 (Fig. 9 D) as in the adult female, except for exopodal segments broader than those of the adult, and the thick inner seta on exp - 3 much shorter than that of the adult.</p><p>P 5 (Fig. 9 E) represented by weakly foliaceous plates. Baseoendopods of right and left legs fused medially. Baseoendopod and exopod incorporated into a single plate; baseoendopodal and exopodal portions distinguishable by a distal cleft (notch). Surface ornamentation generally smooth and partly denticulate; outer surfaces denticulate, with lamellate, terraced folds. Armed with 12 setae insertions as in the adult female; all setae naked except for one short bipinnate seta located at ~ 2 / 3 of inner margin.</p><p>CV Male. Body length (paratype, measured in dorsal view) 0.82 mm (range: 0.82–0.84 mm, n = 6). Habitus (Fig. 8 B) as in the CV female. Sexual dimorphism detected in urosome, caudal rami, antennule, and P 2 – P 5.</p><p>Urosome (Figs 8 B, 12 G) generally as in the CV female, five-segmented. First and second free abdominal somites (Fig. 12 G) with posteroventral margins more strongly crenulate than those of the CV female.</p><p>Caudal rami (Figs 8 B, 11 C, 11 D, 14 D – F) ~ 1.5 × as long as wide; overall shape and surface ornamentation generally as in the adult male, except for a less pronounced dorsolateral expansion (indicated by ‘ c’ in Figs 11 C, 11 D, 14 D, 14 E) and an acute, denticulate projection (indicated by ‘ d’ in Figs 11 C, 11 D, 14 D – F) on outer margin in its proximal half.</p><p>Antennule (Fig. 10 A) seven-segmented, similar to that of the CV female, except for the second and third segments swollen, the first segment with a more prominent posterior suture line, and differences in armature of the first to fourth segments. Armature formula: 1 - [12], 2 - [19 + (1 + ae)], 3 - [4], 4 - [4], 5 - [2], 6 - [2], 7 - [5 + acrothek].</p><p>P 2 exopod as in the CV female. Enp- 2 (Fig. 10 B) broader than in the CV female; outer apical seta shorter and thickened.</p><p>P 3 exopod as in the CV female. Enp- 2 (Figs 10 C, 12 H) broader than in the CV female; outer spine modified, broadened basally, slightly bent outward, abruptly tapering from mid-length, distal half bipinnate.</p><p>P 5 (Fig. 10 D) generally as in the adult male in overall shape, but baseoendopod and exopod still fused; exopod not separated as a distinct lobe as in the adult male, and a process at base of proximal outer seta smaller than in the adult. Baseoendopod surface denticulate.</p><p>Variability.</p><p>Morphological variation in L. changi sp. nov. was observed in the armature of P 4 in the adult male and in the segmentation / armature of P 1 in the copepodid V (CV). In the typical condition, P 4 enp - 2 bears a single terminal seta, but the left endopod of P 4 has two terminal setae in one adult male specimen (Fig. 6 D). All other examined adult males (n = 6) show the typical condition. In the CV stage (females n = 3, males n = 3), the articulation between exp - 2 and exp - 3 is incompletely separated in one female and one CV male (Fig. 9 A). In another CV male, P 1 exp - 3 bears the two apical setae completely fused (not figured).</p><p>Etymology.</p><p>The new species, changi, is named after Professor Cheon Young Chang (Daegu University, Korea), who has contributed to the taxonomy of Korean meiofauna. It is a noun in the genitive case.</p><p>Remarks.</p><p>Among the known species of Laophontella, L. changi sp. nov. most closely resembles L. horrida dentata in having a backward projection on the first antennular segment, a fringe of long setules along the posteroventral margin of the genital double-somite, and several crenulate projections along the posteroventral margin of the third to fifth urosomites in males. However, the new species differs from L. horrida dentata in the segmentation of the female antennule (eight-segmented in L. horrida dentata vs. seven-segmented in L. changi sp. nov.), posteroventral margin of the second free abdominal somite in females (with toothlike projections in L. horrida dentata vs. smooth margin in L. changi sp. nov.), outer margin of the caudal rami of females (with two pointed processes in L. horrida dentata vs. C-shaped proximal dorsolateral expansion and auriform lateral elevation in L. changi sp. nov.), shape of the inner seta on the P 2 enp - 2 of males (short and sickle-shaped in L. horrida dentata vs. long in L. changi sp. nov.), and shape of the modified outer element on the P 3 enp - 2 of males (elongate in L. horrida dentata vs. hoe-shaped in L. changi sp. nov.).</p><p>Within the L. horrida complex, the new species differs from the two remaining congeners in the caudal rami of females: L. horrida horrida bears a strong spiniform lateral process, whereas L. horrida namibiensis possesses a laterally expanded and rounded outer margin. The new species also clearly differs from L. armata armata, which has a five-segmented antennule and cylindrical caudal rami in females (Table 1).</p><p>Note. All data are based on original descriptions unless otherwise indicated. 1) Cited from Geddes 1968 Symbols: –, unknown; *, data measured from figures.</p><p>The type species, L. typica, and L. armata indica were originally described based on CV specimens (Wells and Rao 1987). Laophontella typica is interpreted as the CV male, as indicated by its nine-segmented body and non-foliaceous P 5, whereas L. armata indica appears to represent the CV female, lacking a genital double-somite and a weakly foliaceous P 5. The CV of L. changi sp. nov. differs from that of L. typica in lacking the additional outer projection on the first antennular segment, and from L. armata indica in possessing a different antennular segmentation (the latter having a five-segmented female antennule).</p><p>A comparative table was presented based on the characters for the recorded species of the genus Laophontella (Table 1).</p></div>	https://treatment.plazi.org/id/B98B7AD14D0554019543BA444B4613B7	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.		Pensoft via Plazi	Seo, Jihye;Cho, Kyuhee;Lee, Jimin	Seo, Jihye, Cho, Kyuhee, Lee, Jimin (2026): A new species of Laophontella Thompson IC & Scott A, 1903 (Copepoda, Harpacticoida, Tetragonicipitidae) from Korea, with notes on copepodid V stage. ZooKeys 1281: 291-319, DOI: 10.3897/zookeys.1281.192788
