Loretoniscus mashiriaensis Ocampo-Maceda, López-Orozco & Campos-Filho, 2023
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publication ID |
https://doi.org/ 10.5852/ejt.2023.861.2067 |
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publication LSID |
lsid:zoobank.org:pub:4AD1BF0B-6F6B-4F9A-BCE9-0BD9D02CC96D |
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DOI |
https://doi.org/10.5281/zenodo.7729740 |
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persistent identifier |
https://treatment.plazi.org/id/62492875-FFAB-FF88-FF44-4695FCFBFE5E |
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treatment provided by |
Felipe |
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scientific name |
Loretoniscus mashiriaensis Ocampo-Maceda, López-Orozco & Campos-Filho |
| status |
gen. et sp. nov. |
Loretoniscus mashiriaensis Ocampo-Maceda, López-Orozco & Campos-Filho gen. et sp. nov.
urn:lsid:zoobank.org:act:64308EDB-88C0-4430-AF2E-F203B27B3268
Figs 1–4 View Fig View Fig View Fig View Fig
Etymology
The epithet refers to a stream flowing near the collection site ‘Quebrada Mashiría’. In the ShipiboConibo language, ‘Mashi’ means sand.
Material examined
Holotype PERU • ♂ (parts in micropreparations); Loreto, Contamana, Nuevo Sucre, Quebrada Mashiría ; 7°24′47.21′ S, 74°56′8.51′ W; Nov. 2019; A. Ocampo and C. Ruelas leg.; MUSA-ENT-ISO 025 .
Description
MEASUREMENTS. Body length: 3 mm.
BODY. Colorless. Body outline in lateral view as in Fig. 1A View Fig ; dorsal surface smooth and covered with fan-shaped scale-setae ( Fig. 1B View Fig ).
CEPHALON. Vertex depressed; lateral lobes rounded, frontal shield triangular with frontal and paramedian depressions interrupting frontal shield; eyes absent ( Fig. 1C–D View Fig ).
PEREON. Pereonites 1 and 2 epimera rounded, epimera 3–7 subquadrangular ( Fig. 1A, E View Fig ).
PLEON. Pleonites 3–5 with epimera subquadrangular and directed backward ( Fig. 1A, F–G View Fig ). Telson as wide as long, lateral margins straight, and apex rounded ( Fig. 1F–G View Fig ).
ANTENNULA. Third article longer than second article, apex with four subapical plus two apical aesthetascs ( Fig. 1H View Fig ).
ANTENNA. Robust; surpassing pereonite 2 when extended backward; flagellum with first and second articles subequal in length; apical organ half length of distal article ( Fig. 1I View Fig ).
MOUTH. Mandibles ( Fig. 2A–B View Fig ) with molar penicil with 6–7 branches, left mandible with 2+1 penicils, right with 1 +1 penicils. Maxillula ( Fig. 2C View Fig ) outer endite composed of 4+5 teeth, inner set apically cleft; inner endite with two penicils. Maxilla ( Fig. 2D View Fig ) with bilobate apex, outer slightly wider than inner lobe, rounded and covered with thin setae; inner lobe rounded bearing thick setae. Maxilliped ( Fig. 2E View Fig ) basis rectangular; palp basal article with two distinct setae; endite rectangular, medial seta surpassing distal margin, distal margin bearing one seta on outer portion.
UROPODS. Uropod protopod longer than wide, exopod longer than endopod, endopod inserted slightly proximally ( Fig. 2F View Fig ).
PEREOPODS. Pereopods 1–7 ( Fig. 3A–B View Fig ) merus and carpus with sparse setae on sternal margin; carpus 1 with longitudinal antennal grooming brush; dactylar and ungual seta simple not surpassing outer claw.
GENITAL PAPILLA. Ventral shield triangular, papilla bearing two subapical orifices ( Fig.3C View Fig ).
PLEOPODS. Pleopod 1 ( Fig. 3C View Fig ) exopod subrectangular, more than twice as wide as long, distal margin straight; endopod twice as long as exopod, distal portion tapering and slightly bent outwards, inner margin bearing small setae. Pleopod 2 ( Fig. 3D View Fig ) exopod triangular, outer margin almost straight bearing one seta. Pleopod 3–5 exopods as in Fig. 3E–G View Fig .
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