Bombina orientalis
© 1995 David Cannatella
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Ateles
© 2001 California Academy of Sciences
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Megaptera novaeangliae
© 2001 California Academy of Sciences
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Chinchillula sahamae
© Scott J. Steppan
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Eutheria
© Nancy B. Simmons
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Crassigyrinus scoticus
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Callithrix penicillata
© 2001 California Academy of Sciences
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Amniota
© 1996 Michel Laurin
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Auliscomys boliviensis
© 1996 O. Pearson
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Discosauriscus
© Jozef Klembara
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Amniota
© 1996 Michel Laurin
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Chiroptera
© Nancy B. Simmons
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Physalaemus cicada
© 1996 Adao Cardoso
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Akodontini
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Physalaemus bokermanni
© 1996 Adao Cardoso
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Saimiri sciureus
© 2001 California Academy of Sciences
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Agelaius phoeniceus
© 1997 Gordon Orians
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Graomys griseoflavus
© Scott J. Steppan
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Phyllotis darwini
© Scott J. Steppan
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Lithodytes lineatus
© 1995 David Cannatella
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Mimon bennettii
© 1998 Nancy B. Simmons
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Seymouriamorpha
© 1996 Michel Laurin
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Loxodontomys micropus
© Scott J. Steppan
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Irenomys tarsalis
© 1997 P. L. Meserve
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Calomys laucha
© Scott J. Steppan
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Gigantolina elongata, Chelodina longicollis
© 1998 Klaus Rohde
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Utegenia shpinari
© 1996 Michel Laurin
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Auliscomys pictus
© Scott J. Steppan
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Eptesicus furnalis
© 1998 Nancy B. Simmons
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Doleserpeton
© American Association for the Advancement of Science
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Cercopithecus aethiops
© 1999 Greg and Marybeth Dimijian
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Cherax destructor
© Klaus Rohde
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Archaeopteryx
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Deinonychus
© 1995 Chris Brochu
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Eligmodontia morgani
© Scott J. Steppan
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Megaptera novaeangliae
© 1999 California Academy of Sciences
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Gastonia
© 2000 Kenneth Carpenter
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Crotaphytus
© 1996 John Merck
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Ichthyostega
© 2005 Jennifer A. Clack
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Rana ridibunda
© 1995 Hansjürg Hotz
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