From editor or global species database
Poseidonamicus from the deep Southern Ocean
Poseidonamicus major Benson, 1972 from their original descriptions (Benson, 1972, Fig. 20)
Image from typetaxon
Poseidonamicus general morphology by Benson (1972, above) and Hunt (2007, below)
Poseidonamicus from the Southern Ocean
Limbs of Poseidonamicus yasuharai Brandão & Päplow, 2011