Cold water species. Found in the Barents Sea, White Sea, Bering Sea, Chukchi Sea, East-Siberian Sea.
Characterized by the presence of 2 large oral lobes. 4 rows of combs reach the end of the body; the other 4 are half as long. Tentacles are weakly developed, tentacle pouches are absent. Very transparent body. Does not tolerate handling or fixation; immediately falls apart into shapeless pieces.
