Template:Gebruk, 1989
- Gebruk, A.V. 1989. [Revision of the family Pelagothuriidae (Holothuroidea, Elasipoda) with a review of Enypniastes eximia and Pelagothuria natatrix. 1. Review of the family Pelagothuriidae (Elasipoda)]. Zoologicheskiy Zhurnal. 68(12): 57–66. (Russian).