World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Roubidouxia depressa Butts, 1926&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1791115 on 2026-08-02
Butts, C. (1926). Explanatory text to accompany the geological map of the state - the Paleozoic rocks. Geological Survey of Alabama, Special Reports. 14: 99-126.