Pseudonus

Nielsen, Jørgen G., 2011, Revision of the bathyal fish genus Pseudonus (Teleostei, Bythitidae); P. s q u a m i c e p s a senior synonym of P. platycephalus, new to Australian waters, Zootaxa 2867, pp. 59-66 : 60

Key to the species of Pseudonus *

1. Rays in pelvic fin (0)–1, dorsal fin 95–102 and anal fin 64–71; total number of vertebrae 55–59............... squamiceps

- Rays in pelvic fin 0, dorsal fin 101–119 and anal fin 74–85; total number of vertebrae 61–63...................... acutus