Graomys griseoflavus
© Scott J. Steppan
|
Graomys griseoflavus
© Scott J. Steppan
|
Neotomys ebriosus
© Scott J. Steppan
|
Pongo pygmaeus
© 2001 California Academy of Sciences
|
Chinchillula sahamae
© Scott J. Steppan
|
Chiroptera
© Nancy B. Simmons
|
Synapsida
© 1997 Michel Laurin
|
Molossus rufus
© 1998 Nancy B. Simmons
|
Chinchillula sahamae
© Scott J. Steppan
|
Synapsida
© 1997 Michel Laurin
|
Phyllotis darwini
© Scott J. Steppan
|
Galenomys garleppi
© Scott J. Steppan
|
Homo sapiens
© 1993 Ethan Michelson
|
Rhinopomatoidea
|
Phyllotis darwini
© Scott J. Steppan
|
Euneomys chinchilloides
© Scott J. Steppan
|
Calomys laucha
© Scott J. Steppan
|
Eligmodontia typus
© 1997 Oliver Pearson
|
Calomys laucha
© Scott J. Steppan
|
Chinchillula sahamae
© 1997 O. Pearson
|
Orycteropus afer
© 2001 California Academy of Sciences
|
Calomys laucha
© Scott J. Steppan
|
Hemicentetes semispinosus (Tenrecidae)
© 2000 California Academy of Sciences
|
Auliscomys pictus
© Scott J. Steppan
|
Nataloidea
|
Eligmodontia morgani
© Scott J. Steppan
|
Reithrodon auritus
© Scott J. Steppan
|
Tachyglossus aculeatus
© 1995 Greg and Marybeth Dimijian
|
Ichthyomyini
|
Macroscelididae
© 1996 John Merck
|
Irenomys tarsalis
© Scott J. Steppan
|
Neotomys ebriosus
© Scott J. Steppan
|
Phyllotis xanthopygus
© Scott J. Steppan
|
Eutheria
© Nancy B. Simmons
|
Reithrodon group sensu stricto
© Scott J. Steppan
|