Fig. 2

Photographs of the anterior region of the specimens. (A) with protruding mouth (m). (B) completely withdrawal mouth. (C) the anterior annulated tentacles (ant.t.). (D) bilobed posterior tentacles (post.t.).

Photographs of the anterior region of the specimens. (A) with protruding mouth (m). (B) completely withdrawal mouth. (C) the anterior annulated tentacles (ant.t.). (D) bilobed posterior tentacles (post.t.).