DOLGANOV, V.N. (1986)
Description of new species of sharks of the family Squalidae (Squaliformes) from the north-western part of the Pacific Ocean with remarks of validity of Etmopterus frontimaculatus. Zoologichesky Zhurnal, 65 (1): 149–153
KYNE, P.M. & SIMPFENDORFER, C.A. (2007)
A Collation and summarization of available data on deepwater Chondrichthyans: Biodiversity, life history and fisheries. Biodiversity, Life History and Fisheries IUCN SSC Shark Specialist Group for the Marine Conservation Biology Institute, 1–137.
POLLERSPÖCK, J. & STRAUBE, N. (2019)
An identification key to elasmobranch genera based on dental morphological characters Part A: Squalomorph sharks (Superorder Squalomorphii). Bulletin of Fish Biology, 18 (1/2): 77-105