The Paleontology of North America

Vertebrates from North America

> Amphibians | Early Tetrapods | Fishes | Mammal Relatives | Mammals | Reptiles
 

 

Charcharodon megalodon
Charcharodon megalodon
From the Tertiary in California
© 2004 UCMP
Helicoprion nevadensis
Helicoprion nevadensis
From the Carboniferous in Nevada
© 2004 UCMP
Squalicorax pristodontus
Squalicorax pristodontus
From the Quaternary in Alabama
© 2003 Gary Stringer, University of Louisiana at Monroe
Orthacanthus
Orthacanthus
From the Carboniferous in West Virginia
© 2000 West Virginia Geological and Economic Survey
Heliobatis radians
Heliobatis radians
From the Tertiary in Wyoming
© 2002 The Virtual Fossil Museum
Ptychodus polygyrus
Ptychodus polygyrus
From the Cretaceous in Kansas
© 2004 Micheal J. Everhart
Chondrichthyes
Chondrichthyes
From the Cretaceous in New Jersey
© 2003 Otto S. Zapecza
Ctenacanthus amblyxiphias
Ctenacanthus amblyxiphias
From the Permian in Kansas
© 2003 Michael J. Everhart
Petalodus sp.
Petalodus sp.
From the Permian in Kansas
© 2003 Micheal J. Everhart