Thliptodontidae

Thliptodontidae
Animalia Mollusca Gastropoda Orthogastropoda Heterobranchia Opisthobranchia Gymnosomata Thliptodontidae
Genera
Thliptodon Cephalobrachia Massya

The small planktonic pelagic snails of the family Thliptodontidae (Kwietniewski, 1910) lack a shell (except in their early embryonic stage).They are carnivores, equipped with swimming parapoda (fleshy winglike outgrowths), strong jaws and grasping tentacles, often with suckers resembling those of cephalopods.

A more comprehensive discussion can be found under the entry Sea angel.

Genus: Thliptodon Boas, 1886

• Thliptodon antarcticus Meisenheimer, 1906
• Thliptodon diaphanus Meisenheimer 1903
  • Distribution : Florida, New Zealand, Antarctica, Weddell Sea, Oceanic
  • Length : 2.5 cm
  • Description : rare; inhabitant of deeper water: a pair of wings extend of the middle of the body; slowest swimmer of all pteropods. Buccal apparatus with radula and large hook sacs.
• Thliptodon gegenbauri Boas, 1886
  • Distribution : Mediterranean

Genus Cephalobrachia Bonnevie, 1914

• Cephalobranchia bonnevii Massy, 1917
• Cephalobranchia macrochaeta Bonnevie, 1914
  • Distribution : Bermuda, Iceland, Ireland.

Genus Massya