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Author (up) MacFadden, B.J.; Solounias, N.; Cerling, T.E. openurl 
  Title Ancient diets, ecology, and extinction of 5-million-year-Old horses from florida Type Journal Article
  Year 1999 Publication Abbreviated Journal Science  
  Volume 283 Issue 5403 Pages 824-827  
  Keywords  
  Abstract Six sympatric species of 5-million-year-old (late Hemphillian) horses from Florida existed during a time of major global change and extinction in terrestrial ecosystems. Traditionally, these horses were interpreted to have fed on abrasive grasses because of their high-crowned teeth. However, carbon isotopic and tooth microwear data indicate that these horses were not all C4 grazers but also included mixed feeders and C3 browsers. The late Hemphillian Florida sister species of the modern genus Equus was principally a browser, unlike the grazing diet of modern equids. Late Hemphillian horse extinctions in Florida involved two grazing and one browsing species.  
  Address Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA. Department of Anatomy, New York College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA. Department of Geology  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1095-9203 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:9933161 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2652  
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