Literature
- Pelseneer, P. and Fowler, G. H. 1906. Biscayan plankton collected during a cruise of H. M. S. 'Research', 1900, 7. Mollusca (excluding Cephalopoda). With a note on their distribution. Trans. Linn. Soc. London 2 (Zool.) 10(5): 137-157, pls 10-12.
- Pruvot-Fol, A. 1926. Mollusques ptéropodes gymnosomes provenant des campagnes du Prince Albert Ier de Monaco. Résult. Camp. Sci. accompl. sur son yacht par Albert Ier 70: 1-60, 3 pls.
- Spoel, S. van der 1972a. A taxonomic outline of the Gymnosomata (Mollusca). Basteria 36 (2-5): 75-88.
- Spoel, S. van der 1976c. Pseudothecosomata, Gymnosomata and Heteropoda. Bohn, Scheltema & Holkema, Utrecht. 484 pp. 246 figs.
- Spoel, S. van der 1983a. Patterns in plankton distribution and their relation to speciation. The dawn of pelagic biogeography. In: Sims, R. W., Price, J. H. and Whalley, P. E. S. (Eds). Evolution, time and space: the emergence of the biosphere. London, Acad. Press: 291-334.
- Spoel, S. van der 1988. Patterns in plankton distribution and their relation to speciation. The dawn of pelagic biogeography. In: R. W. Sims, J. H. Price and P. E. S. Whalley (Eds) [S. I. Golovania et al(transl.)] . Evolution, time and space: the emergence of the biosphere. Moskva, Progress: 251-290.
- Tesch, J. J. 1903. Vorläufige Mitteilung über die Thecosomata und Gymnosomata der Siboga-Expedition. Tijdsch. Nederl. Dierk. Ver. (2)8(2): 111-117.
- Tesch, J. J. 1904. The Thecosomata and Gymnosomata of the Siboga Expedition. Siboga Rep. 52: 1-92, 156 figs.
- Tesch, J. J. 1913c. Mollusca, Pteropoda. In: F. E. Schulze. Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen 36. Berlin (Friedberger and Sohn): i-xvi, 1-154, 108 figs.
- Tesch, J. J. 1950a. The Gymnosomata. 2. Dana Rep. 6(36): 1-55, 37 figs.