Name: Maractis rimicarivora
Reference: Fautin D. G. and Barber B. R., 1999, Page 628 , fig. 2
View: Sphincter muscle, mesogleal
Caption: "Fig. 2. Mesogleal sphincter muscle of *Maractis rimicarivora*. A: Longitudinal section at margin of paratype KUNHM 01150. Tentacles have ectodermal longitudinal musculature; outermost tentacle arises at margin. The surface of the animal is thrown into short, complex folds. B: Proximal end of sphincter muscle of holotype (KUNHM 01149)." Reprinted with permission of the Biological Society of Washington.