Cuspidaria inflata (Jeffreys, 1876) and Cuspidaria lamellosa Sars, 1878 from the
London Clay, a marine geological formation of Ypresian (Lower Eocene Epoch, c. 56–49 Ma)
Cuspidaria textorama Garvie
2013, from the Eocene of the
Reklaw Formation in the United States[2]
References
^Spora un nuovo genere di conchiglie de mare Adriatico. GD Nardo - Annali delle Scienze del Regno Lombardo-Veneto, 1840
^Additions to the molluscan macrofauna of the Reklaw Formation (Eocene: Lower Claibornian) and two new taxa from the Middle Claibornian in Texas. Christopher L. Garvie, Bulletins of American Paleontology, 2013, volume 385, pages 131–161