The Paleontology of North America

Vertebrate Traces from North America

See images from the:

"Anthracosaur" From the Carboniferous in Kentucky © 2001 Richard Schrantz	Dimetrodon tracks From the Permian in West Virginia © 2000 West Virginia Geological and Economic Survey	Dinosaur footprint From the Jurassic in New Jersey © 2003 Otto S. Zapecza
Anchisauripus exsertus From the Triassic in Connecticut © 2005 Yale Peabody Museum	Hypsiloichnus marylandicus From the Cretaceous in Maryland © 2004 Ray Stanford	Grallator From the Jurassic in Utah © 2005 Utah Geological Survey
Daemonelix From the Tertiary in Nebraska © 2005 N. Lindsley-Griffin, University of Nebraska State Museum	Brontotheriid tracks From the Tertiary in Utah © 2005 The Virtual Fossil Museum	Unknown lizard From the Tertiary in Utah © 2005 The Virtual Fossil Museum