Nauendorf, Alice, Gert Wörheide, and Carsten Lüter. 2014. “Revision of the Brachiopod Genus Amphithyris (Rhynchonelliformea: Platidiidae) With Descriptions of Two New Species”. Zootaxa 3847 (2). Auckland, New Zealand:221–240. https://doi.org/10.11646/zootaxa.3847.2.3.