First issued in release COL21.6.
Last used in release COL22.11
Published in
Conrad, T. A. (1853). Synopsis of the genera Cassidula, Humph., and of a proposed new genus Athleta. Proceedings of the Academy of Natural Sciences of Philadelphia, 6(11–12): 448–449. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=284858