References
- Chun , C. 1915 . Deutsche Tief-See Expedition , xviii Th. 2
- Pfeffer , G. 1912 . Plankton Exped. Cephalopoda . Wiss. Ergebn. , ii F. a.
- Robson , G. C. 1924 a . Union of South Africa; Fisheries and Marine Biol. Survey , 3 ( ix )
- Robson , G. C. 1924 b . Proc. Zool. Soc. , : 589 – 589 .