Helwerda, R. A., & Wesselingh, F. P. (2014).

Revision of Scissurellidae, Anatomidae and Fissurellidae (Gastropoda: Vetigastropoda) from the Plio-Pleistocene of the Philippines

. Zootaxa, 3838(2), 183–194. https://doi.org/10.11646/zootaxa.3838.2.3