In 2004, Francisco Goin and colleagues described a single enigmatic tooth from the Paleogene of Peru, LACM 149371; their best estimate was that it represented a member of Ferugliotheriidae.
I 2004 beskrev Francisco Goin og kolleger en enlig mystisk tand fra det palæogene Peru, LACM 149371; deres bedste skøn var at den repræsenterede et medlem af Ferugliotheriidae.