This is a widespread arcto-boreal euro-bathic oceanic species.
Aeginidae with 16 stomach pouches; no peripheral canal system; four primary tentacles and eight peronia; no secondary tentacles on the umbrella margin; sensory clubs with no otoporpae.
Hemispherical umbrella with thick apical jelly. Broad, lenticular stomach with sixteen rectangular pouches; the eight primary pouches are deeply cleft. Four large primary tentacles issuing from very high level. Eight peronia. Two or three sensory clubs in each octant. Umbrella up to 25 mm wide.
East Pacific; Western Atlantic Ocean; Arctic Ocean
Found in cold and less saline waters.
