EVOLUTIONARY TRENDS IN THE LATE MIOCENE HYENA-LIKE DOG EPICYON (CARNIVORA, CANIDAE)

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概要

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• The hyena-like dog Epicyon (Canidae, Borophaginae) is one of the most common carnivores in late Miocene faunas of North America. This study analyzed eight large samples of Epicyon from local faunas ranging in age from late Barstovian to early Hemphillian. Epicyon saevus occurs in the medial Clarendonian MacAdams Ranch Local Fauna, the late Clarendonian Love Bone Bed, Kat Quarry, and Snake Creek Local Faunas, and the early Hemphillian Port of Entry Pit Local Fauna. Epicyon haydeni occurs in the late Clarendonian Love Bone Bed and Kat Quarry Local Faunas, and the early Hemphillian Port of Entry Pit and Jack Swayze Local Faunas. Epicyon diabloensis, which is the sister taxon to Osteoborus, occurs in the latest Clarendonian Black Hawk Ranch Local Fauna. The late Barstovian Barstow fauna has an unnamed species. From the Barstovian to medial Clarendonian, there is little size change in the samples studied. From the middle Clarendonian on, both E. saevus and, especially, E. haydeni increase in size significantly.

著者

• Baskin Jon

  Department Of Geosciences

関連論文

• EVOLUTIONARY TRENDS IN THE LATE MIOCENE HYENA-LIKE DOG EPICYON (CARNIVORA, CANIDAE)

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