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Biodiversity Response to Climate Change in the Middle PleistoceneThe Porcupine Cave Fauna from Colorado$
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Anthony Barnosky

Print publication date: 2004

Print ISBN-13: 9780520240827

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520240827.001.0001

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Pliocene and Pleistocene Horses from Porcupine Cave

Pliocene and Pleistocene Horses from Porcupine Cave

(p.264) Twenty Pliocene and Pleistocene Horses from Porcupine Cave
Biodiversity Response to Climate Change in the Middle Pleistocene

Eric Scott

University of California Press

This chapter discusses the criteria used to identify the equid fossils found in Porcupine Cave. Perissodactyl fossils from Porcupine Cave are relatively rare, represented by only 56 fragments of horses (Equus spp.). The equid fossils consist almost exclusively of isolated broken tooth portions or of distal limb elements. Most of this material was recovered from three distinct localities: the Badger Room, the Pit, and the Velvet Room. The morphological criteria utilized in this chapter include body size, inferred from postcranial elements; shape of the protocone, primarily in upper premolars; presence of infundibulae (enamel-lined cups) in some or all of the lower incisors; and length and stoutness of the metapodials and first phalanges.

Keywords:   equid fossils, Perissodactyl, horses, Equus spp., Badger Room, Pit, Velvet Room

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