Torbenwolffia galatheae Zenkevitch, 1966

Biseswar, Ramlall, 2005, Report on some deep-sea echiurans (Echiura) of the North-East Atlantic, Zoosystema 27 (1), pp. 37-46 : 38

Torbenwolffia galatheae Zenkevitch, 1966 ( Fig. 1 A-C)

MATERIAL EXAMINED. — Porcupine Abyssal Plain, BENGAL 3, Discovery 229, stn 13200#94, 48°50.99’N, 16º26.03’W, 4847 m, 25.VII.1997, 1.

DESCRIPTION

Colour of preserved specimen is light pink. Only basal stump of proboscis is attached to trunk, the rest is missing. Lateral margins of proboscis unite proximally to form a narrow lower lip ventral to mouth ( Fig. 1A ). Trunk is cylindrical, 53 mm long and 12 mm at broadest part. Body wall in anterior half of trunk is thick and opaque, in posterior half it is thinner and devoid of papillae. Papillae are microscopic, arranged in concentric rings around the trunk. Gonopore located on rounded elevation of body wall ( Fig. 1A ). Ventral setae absent.

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;