W.W. Korth & N. Rybczynski. A new, unusual castorid (Rodentia) from the earliest Miocene of Nebraska. „Journal of Vertebrate Paleontology”. 23 (3), s. 667, 2003. DOI: 10.1671/2371. (ang.).
T. Mörs, Y. Tomida & D.C. Kalthoff. A new large beaver (Mammalia, Castoridae) from the early Miocene of Japan. „Journal of Vertebrate Paleontology”. 36 (2), s. 3, 2016. DOI: 10.1080/02724634.2016.1080720. (ang.).
N. Upham, C. Burgin, J. Widness, M. Becker, C. Parker, S. Liphardt, I. Rochon & D. Huckaby: Treeview of Mammalian Taxonomy Hierarchy. [w:] ASM Mammal Diversity Database (Version 1.11) [on-line]. American Society of Mammalogists. [dostęp 2023-09-28]. (ang.).