Agnotocastor Stirton 1935 (beaver)

Mammalia - Rodentia - Castoridae

Full reference: R. A. Stirton. 1935. A review of the Tertiary beavers. University of California Publications, Bulletin of the Department of Geological Sciences 23(13):391-458

Parent taxon: Castoridae according to N. Rybczynski 2007

See also Johnson 1966, Korth 2014, McKenna and Bell 1997 and Stirton 1935

Sister taxa: Agnotocastorinae, Anchitheriomys, Asiacastor, Boreofiber, Capatanka, Castorinae, Castoroidinae, Chalicomys, Euroxenomys, Migmacastor, Neatocastor, Oligotheriomys, Palaeocastorinae, Palaeomys, Romanocastor, Trigontherium, Trogontheriinae, Trogontherium, Youngofiber, Zamolxifiber

Subtaxa: Agnotocastor coloradensis Agnotocastor galushai Agnotocastor montanus Agnotocastor praetereadens Agnotocastor readingi

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Ecology: amphibious browser

Distribution:

• Arikareean of United States (4: Florida, Montana, Nebraska collections)

• Oligocene of Kazakhstan (1), United States (14: Colorado, Florida, Montana, Nebraska, North Dakota, South Dakota)

• Eocene of United States (3: Nebraska, Wyoming)

Total: 22 collections each including a single occurrence

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