Chun, 1911
Body gelatinous, pigmented. Arms shorter than mantle, 3rd pair the longest. Arm tips not tapering. Web of moderate length. Suckers in one row. Mantle opening single, under head, wide. Stomach behind digestive gland. Radula multidentate, comb-like. Ink sac present, moderate in size. A lemon-yellow circumoral bioluminescent ring around mouth in mature females only. Eggs connected by their stalks in large clusters, females hold the egg-mass on their arms near the mouth within the web. Three genera, 3 or 4 species, 3 in the South Atlantic.
Planctonic stages recorded for:
Japetella diaphana
Eledonella pygmaea