A Dilophosaurus three toed footprint in a shale matrix.

PROVENANCE:
From the Portland Formation, South Hadley, Massachusetts, USA; from the Pradi Collection, Boston, USA; acquired 1980s. By repute authenticated by Dr. Ostrum, Professor of Palaeontology at Yale University, New England, during the 1970s.

FOOTNOTES:
Dilophosaurus is known from fossil remains found in the Kayenta formation of Arizona, USA, and was among the largest carnivores of its time (about 7 meters long) and had a pair of rounded crests on its skull.This footprint has been authenticated by a well-known Dinosaur track Palaeontologist in Massachusetts.