World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Castalia stevensi (H. B. Baker, 1930). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1360773 on 2026-08-02
Baker, H. B. (1930). The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela. VI. Occasional Papers of the Museum of Zoology, University of Michigan. 210: 1-95.