Literature
- Bigelow, H. B.; Schroeder, W. C. 1948b. Sharks. In: Fishes of the western north Atlantic. Mem. Sears Found. Mar. Res., New Haven, 1(1): 59-576, fig. 6-106.
- Springer, S.; Waller, R. A. 1969. Hexanchus vitulus, a new sixgill shark from the Bahamas. Bull. mar. Sci. Guy Caribb., 19 (1) :159-174, fig. 1-7.
- Taniuchi, T. & H. Tachikawa 1991. Hexanchus nakamurai, a Senior Synonym of H. vitulus (Elasmobranchii), with Notes on its occurrence in Japan. Jap. Journ. Ichth., 38 (1): 57-60, 1 fig.