Thermoarcturus venezuelensis Paul & Menzies 1971

Thermoarcturus venezuelensis Paul & Menzies, 1971 Figs 4, 5 Thermoarcturus venezuelensis Paul & Menzies, 1971: 33 –34, figs 6, 7.— Kensley & Schotte 1989: 255, fig. 107h. Holotype . Off Venezuela, 11°03’N, 64°37.5’W, 95 m, USNM 136427 (female, 4.5 mm) Material examined . West Indies [US...

Full description

Bibliographic Details
Main Author: Poore, Gary C. B.
Format: Other/Unknown Material
Language:unknown
Published: Zenodo 2015
Subjects:
Online Access:https://doi.org/10.5281/zenodo.6109383
http://treatment.plazi.org/id/03CF48651D1CCF07FF248B60B984FD71
Description
Summary:Thermoarcturus venezuelensis Paul & Menzies, 1971 Figs 4, 5 Thermoarcturus venezuelensis Paul & Menzies, 1971: 33 –34, figs 6, 7.— Kensley & Schotte 1989: 255, fig. 107h. Holotype . Off Venezuela, 11°03’N, 64°37.5’W, 95 m, USNM 136427 (female, 4.5 mm) Material examined . West Indies [US Virgin Islands], Saint Croix, W of Frederiksted, [c. 17°S, 65°W], 500 fm [900 m], T. Mortensen, Ingolf Expedition, 18 Jan 1906, ZMUC CRU- 7102 (male, 8.8 mm); ZMUC CRU- 7141 (ovigerous female, 7.4 mm); ZMUC CRU- 7142 (4 mancas, 3.0– 4.2 mm; 9 males, 5.1–6.2 mm; 2 ovigerous females, 7.1 mm); NMV J58377 (1 manca, 3.2 mm; 5 males, 5.4–7.3 mm; 2 ovigerous females, 6.7 mm). Description . Male, 8.8 mm. ZMUC CRU-7102. Cuticle with tomentum of fine setae over body and appendages. Body linear, strongly geniculate, length about 8.5 times greatest width (pereonite 3); head comprising 0.15 and pleotelson 0.25 total length. Head with pair of dorsolateral spines; pereonites 1–4 each with pair of sublateral acute tubercles long, less prominent on pereonite 1; pereonites 2–4 each with pair of triangular lateral supracoxal projections, slightly anteriorly directed, coxae unarmed; pereonite 5 with small tubercles on posterior margin; pereonites 5–7 each with median tubercle, pair of short dorsolateral tubercles and pair of supracoxal tubercles; pleonite 1 0.2 length of whole pleotelson, marked from it by dorsal and lateral groove, with pair of lateral tubercles; remaining pleotelson tapering in lateral profile, parallel-sided in dorsal view over two-thirds length, with pair of small lateral wings before tapering to acute apex. d c n p4 e o p b p5 p5 a k l m f g h i j a b d c e Antennule 0.2 body length; flagellum with annular basal article, article 2 as long as peduncle, with 4 single and 3 pairs of aesthetascs. Antenna 0.75 body length, peduncular articles 4 and 5 of equal length, longer than articles 1– 3 together, articles 4 and 5 each with 4 and 5 pairs of long setae respectively; flagellum of 1 linear article and fine claw. ...