Title: Biblio RTF Export
Author: Biblio 7.x

A. E.  Verrill, ?Report on the cephalopods of the northeastern coast of America?, 1882.

J. E.  Gray, Catalogue of the Mollusca in the collection of the British Museum, 2, vol. 4. London: British Museum, E. Newman, 1850, p. 45.

J.  Meisenheimer, ?Pteropoda?, Tiefsee Exp. 1898-1899, vol. 4, p. 314, 1905.

S.  Van Der Spoel, Pseudothecosomata, gymnosomata and heteropoda (gastropoda). Amsterdam: Bohn, Scheltema & Holkeme Utrecht, 1976, p. 484.

S.  Van Der Spoel, Euthecosomata, a group with remarkable developmental stages (Gastropoda, Pteropoda). J. Noorduyn & ZN, Gorinchem, 1967, p. 375.