Fig. 3 in Ikedosoma (Annelida: Echiura: Thalassematidae) from the Tropical Pacific, with Description of a New Species

Fig. 3. Internal morphology of Ikedosoma abemama sp. nov. (holotype, NSMT-Ec 187), dorsal view. Most mesenteries and gonostomal lips, and appearance of trunk musculature omitted for clarity. A, anterior end of trunk; B, posterior end of trunk. Abbreviations: an, anus; av, anal vesicle; cg, ciliated groove; cr, crop; dv, dorsal vessel; e, esophagus; gd, gonoduct; gl, gonostomal lip; gz, gizzard; i, intestine; m, mesentery; nv, neurointestinal vessel; ph, pharynx; pp, papilla; r, rectum; rv, ring vessel; vnc, ventral nerve cord; vss, ventral setal sac; vv, ventral vessel. Scales: 1 cm.