Alomasoma nordpacificum Zenkevitch, 1958

Biseswar, Ramlall, 2005, Report on some deep-sea echiurans (Echiura) of the North-East Atlantic, Zoosystema 27 (1), pp. 37-46 : 39

Alomasoma nordpacificum Zenkevitch, 1958 ( Fig. 1D )

MATERIAL EXAMINED. — Porcupine Abyssal Plain, B E N G A L 5, D i s c o v e r y 2 3 1, s t n 1 3 3 6 8#5 2, 48°48.30’N, 16°25.97’W, 4839 m, 19.III.1998, 1.

DESCRIPTION

Colour of trunk of preserved specimen is cream; proboscis is missing. Trunk is oval in outline, 4 6 m m l o n g a n d 1 5 m m a t b r o a d e s t p a r t. Integument is thick but moderately transparent.

Figures

FIG. 1. — A-C, Torbenwolffia galatheae Zenkevitch, 1966; A, ventral view of anterior part of female; B, gonoduct; C, anal vesicle of one side; D, Alomasoma nordpacificum Zenkevitch, 1958, gonoducts; E-G, Sluiterina sibogae (Sluiter, 1902); E, ventral view of anterior part of female; F, anterior part of alimentary canal; G, anal vesicles. Abbreviations: av, anal vesicle; dv, dorsal vessel; gd, gonoduct;