World Register of Marine Species (WoRMS)
Pseudorthoceratida Flower & Caster, 1935
MolluscaBase eds. (2026). MolluscaBase. Pseudorthoceratida&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1727099 on 2026-08-30