Flexomornis howei: A tale of amateur and professional cooperation

Kris Howe (USA) When you think of Texas, what comes to mind? It may be wide open spaces, longhorn cattle, cowboys and ten gallon hats. Now, there’s something else to add to the list – the oldest, definitive bird fossil in North America. That bird is Flexomornis howei, from the Woodbine Formation (lower Middle Cenomanian) near Grapevine, Texas. I first encountered the bones while prospecting potential fossil sites around Grapevine Lake. This is located just north of Dallas-Forth Worth International Airport, in north-eastern Tarrant County. One exposure near the lake soon produced a large number of fossils eroding out on the surface. They included petrified and carbonised wood, amber, at least two types of turtle, two types of crocodile, numerous remains of bony fish, shark teeth and vertebrae, parts of an ornithopod, a nodosaur, ostedeoderms, and a few scraps of small theropods. Fig. 1. Howe, Florillo and Tykoski presenting the Flexomornis howei remains at a press conference. In addition, there was also a cluster of delicate and unusual bones that looked like nothing I had ever seen before. I contacted Dr Ron Tykoski, at the Museum of Nature and Science in Dallas, for help with the identification. Dr Tykoski had been very helpful in the past with tough identifications, so I knew he could help. He inspected the bones and said that they looked like they were from a bird, but he was hesitant to get too excited – there were no known birds from the Woodbine Formation. Dr Tykoski … Read More

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