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New specimens of a primitive hippopotamus, <i>Kenyapotamus coryndonae</i>, from the Upper Miocene Nakali Formation, Kenya

2015; The Meteorological Society of Japan; Volume: 121; Issue: 4 Linguagem: Inglês

10.5575/geosoc.2015.0004

1349-9963

Takehisa Tsubamoto, Yutaka Kunimatsu, Hideo Nakaya, Tetsuya Sakai, Mototaka Saneyoshi, Emma Mbua, Masato Nakatsukasa,

Bat Biology and Ecology Studies

New dental and astragalar specimens of a primitive hippopotamus, Kenyapotamus coryndonae (Mammalia, Cetartiodactyla, Hippopotamidae, Kenyapotaminae) from the lower Upper Miocene Nakali Formation at the Nakali locality, central Kenya, are described and illustrated. The new specimens increase the known morphological and size variations of the dentition and astragalus in this primitive hippopotamid species, which is important to understand the origin and early evolution of the Hippopotamidae.