EEB388H1 Lecture Notes - Lecture 10: Rhinoceros, Habitat Fragmentation, Eutheria
13 Dec 2015
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All their weight are beared on just a single digit, so thats why they"re called odd- toed. They also have a very large cecum (4ft long) for fermentation and an. Once a very large order, and were the dominant ungulates until the even-toed ones took over. Looks like a rhino but was more closely related to the horse. Hyracodontidae was the largest mammal to have ever lived on land and is related to the rhino. The movement of the knees is restricted with no lateral movement in distal elements. Somewhere between 60 my to 7 mya, they went from having four toes to just one. Dentition also has evolved from suiting a browsing lifestyle to that of grazing. The fossil evidence of the evolution of the equidae family is really amazing! All of the asses are from asia except one species from africa. the wild horse is endangered. and at one point went extinct in the wild.
