Theropod (dinosaur) Bird Track, negative Dilophosaurus Propalaeotherium was named by Paul

Propalaeotherium was named by Paul Gervais: its name means "before Palaeotherium"

a University of Chicago vertebrate paleontologist and lead author of the study

in most cases it would be impossible to positively identify the species of dinosaur which laid it

Duckbill jaw

The last photo shows how the foot and bones would have fit into the track

Theropod (dinosaur) Bird Track, negative Dilophosaurus Propalaeotherium was named by PaulThe study of fossilized footprints, Ichnology, has become an important branch of paleontology. Footprints are trace fossils. They are considered trace fossils because they contain no fossil material, only the impressions left by the animal which made them. It is often difficult to determine with certainty which animal made a given print and therefore they are usually attributed to a group rather than a specific animal. The footprint specimens on this