520531
9781592961856
Why were hundreds of Coelophysis fossils found together at a site in New Mexico? Did Coelophysis live in a herd? Was there more than one kind of Coelophysis? And why did Coelophysis die out? Explore the many mysteries that still surround this early dGray, Susan Heinrichs is the author of 'Coelophysis' with ISBN 9781592961856 and ISBN 1592961851.
[read more]