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Menoceras
''Menoceras'' ("Crescent Horns") is a genus of extinct, small rhinoceros endemic to most of southern North America and ranged as far south as Panama during the early Miocene epoch. It lived from around 30.7—19.7 Ma, existing for approximately . ==Behaviour== ''Menoceras'' roamed across a tropical, savanna-like grassland and plains environment that covered much of North America (Prothero, 2005). Because of the massive accumulations of fossil bones of this animal, particularly at Agate Springs Nebraska, ''Menoceras'' may have lived in large herds. However, other sites i.e. Martin-Anthony site Martin County, Florida, and Cady Mountains Horse Quarry, San Bernardino County, California.〔(PaleoDB collection 19233, authorized by Dr. John Alroy, May 15, 2002. )〕
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