World Register of Marine Species (WoRMS)
Astraea (Pomaulax) petrothauma S. S. Berry, 1940
MolluscaBase eds. (2026). MolluscaBase. Astraea (Pomaulax) petrothauma S. S. Berry, 1940&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=579279 on 2026-08-30
Berry, S. S. (1940). New Mollusca from the Pleistocene of San Pedro, California-I. Bulletins of American Paleontology. 25(94A): 147-164, pls 1-2.