Dinosaur and Bird Trackway Site


Locality: In the Black Hills near Hermosa, South Dakota

Age: Early Cretaceous, Barremian stage, 125 million years

Discoveries at this site include:

  • The oldest known bird trackways in the Americas

  • The oldest known quadrupedal ornithopod trackway

  • Theropod trackways of various size and morphology

Press Release of August 9, 2001

Site maps and pictures

Research quality cast replicas available


Copyright 2001 by Pan Terra Inc., PO Box 556, Hill City, SD, USA 57745.

All rights reserved.......Tel or fax 605-574-4760