Ophiocreas longipes Mortensen

• Mortensen, Th. 1924. Vid. Medd. dansk naturh. For., 77, p. 102–4, Fig. 2 Pl. III

Material Examined: None.

Mortensen's unique holotype stems from 300 fathoms, off Three Kings Islands.

Astrobrachion Doederlein. 1927, restr. Mortensen, 1933

Astrobrachion constrictum (Farquhar)

Material Examined: Nine specimens from deep water stations, also others from shelf stations (see Fell, 1952, p. 13). 216 fathoms, 20 miles west of Hokitika, H. Wellman, 4 specimens; 100 fathoms, off Mayor Island, 5 specimens.