Pilsbry, H. A. & Olsson, A. A. (1954). Systems of the Volutidae. <em>Bulletins of American Paleontology.</em> 35(152): 1-36 [271-306], pls 1-4 [25-28]., available online athttps://www.biodiversitylibrary.org/page/10576508 page(s): 295 [25] [details]
original descriptionPilsbry, H. A. & Olsson, A. A. (1954). Systems of the Volutidae. <em>Bulletins of American Paleontology.</em> 35(152): 1-36 [271-306], pls 1-4 [25-28]., available online athttps://www.biodiversitylibrary.org/page/10576508 page(s): 295 [25] [details]