Name: Epiparactis dubia
Reference: Carlgren O., 1921, Page 200 , fig. 191
View: Tentacle, cross section
Caption: "Textfigs. 189-191. *Epiparactis dubia.* Transverse sections of sphincter (fig. 189), of part of the oral disc (fig. 190) and of part of a tentacle (fig. 191) *cm:* circular muscles of the column."