Gadow, Hans, 1855-1928, author
The evolution of the vertebral column : a contribution to the study of vertebrate phylogeny
Cambridge University Press , 2014
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Ontogeny and systematics
edited by C.J. Humphries
Columbia University Press, 1988
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Extinction and phylogeny
edited by Michael J. Novacek and Quentin D. Wheeler
Columbia Univerdity Press, 1992
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Romer, Alfred Sherwood
The vertebrate body
Saunders College, 1985
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Pough, F. Harvey
Vertebrate life
Prentice-Hall, 1999
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