Thysanozoon sp.

Thysanozoon sp. (fide Brusca 1980) Thysanozoon sp. – Brusca 1980: 72–73 (locality: Puerto Peñasco, Sonora). Distribution Gulf of California, Mexico. Habitat Benthic. Remarks Brusca (1980) made a partial description of Thysanozoon sp., determining that the generic character is the presence of dorsal papillae. The species is characterized by an oval body with a rounded posterior body margin. The dorsal surface has a brown to purple dorsal coloration with pale pigmentation and white and purple-brown speckles; the body margin is reticulate with white and light purple stripes. The dorsal papillae have white spots, small dorsal papillae with yellow pigmentation. The species possesses prominent nuchal tentacles, as well as tentacular and cerebral eyes. The pharynx is long and narrow, located in the first third of the body.