Theropod (dinosaur) Bird Track, negative Dilophosaurus in most cases it would

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

Duckbill jaw

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

it may have eaten mostly fish

Theropod (dinosaur) Bird Track, negative Dilophosaurus in most cases it wouldThe 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