American Mesozoic Mammalia,

By Simpson, George Gaylord,.
New Haven, | London, Yale university press; | H. Milford, Oxford university press, 1929 .
xv, 235 p. , Published on the Othniel Charles Marsh publication fund. 32 x 25 cm..

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Miocene vertebrates from Florida. Miocene land mammals from Florida, / by George Gaylord Simpson. New heteromyid rodents from the Miocene of Florida, / by Albert Elmer Wood. Aphelops from the Hawthorn formation of Florida, /

By Florida Geological Survey.
Tallahassee, Pub. for the State Geological Survey, 1932 .
58 p. , At head of title: Florida State Geological Survey. Herman Gunter, State geologist ... 23 cm..

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American Mesozoic Mammalia,

Miocene vertebrates from Florida. Miocene land mammals from Florida, / by George Gaylord Simpson. New heteromyid rodents from the Miocene of Florida, / by Albert Elmer Wood. Aphelops from the Hawthorn formation of Florida, /