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Castoroides leiseyorum Morgan and White 1995 (giant beaver)

Osteichthyes - Rodentia - Castoridae

PaleoDB taxon number: 44960

Full reference: G. S. Morgan and J. A. White. 1995. Small mammals (Insectivora, Lagomorpha, and Rodentia) from the early Pleistocene (early Irvingtonian) Leisey Shell Pit Local Fauna, Hillsborough County, Florida. Bulletin of the Florida Museum of Natural History 37(13)

Belongs to Castoroides according to G. S. Morgan and J. A. White 1995

Sister taxon: Castoroides ohioensis

Type specimen: Its type locality is Leisey Shell Pit 1A, which is in an Irvingtonian estuary/bay sandstone/siltstone in the Bermont Formation of Florida

Ecology: scansorial insectivore

Average measurements (in mm): m1 16.1 x 13.9