Spongioradsia is a genus of polyplacophoran molluscs. Spongioradsia became extinct during the Oligocene period.MolluscaBase eds. (2022). MolluscaBase. Spongioradsia Pilsbry, 1894. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=385630 on 2022-06-22
Species Spongioradsia aleutica (Dall, 1878) Synonyms Spongioradsia foveolata Is. Taki, 1938: synonym of Callochiton foveolatus (Is. Taki, 1938) (original combination) Spongioradsia subaleutica Sirenko, 1976: synonym of Lepidochitona (Lepidochitona) subaleutica (Sirenko, 1976) (original combination)
References
External links Pilsbry, H. A. (1893-1895). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 1. Vol. 15: Polyplacophora (Chitons). Acanthochitidae, Cryptoplacidae and appendix. Tectibranchiata. pp 1-463, pls 1-58