A team of geologists, paleontologists, and climate scientists with members from institutions in Mexico, the U.S., and Spain ...

A new genus and species of Ornithomimidae, Mexidracon longimanus, has been identified from the ornithomimosaur material.

Adult males reach a maximum snout to vent length of three and one-half inches whereas females are slightly smaller, reaching about three and three-eighths inches. The tail is twice the body length.