Answer: archaeopteryxes
AnswerCrossword Clue
archaeopteryxesThe oldest known fossil bird, of the late Jurassic period. It had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small coelurosaur dinosaur
archaeopteryxesARCHAEOPTERYX, a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits