One branch of these gliding dino - squirrels led to scythe - clawed raptors, such as the coyote -
sized Velociraptor; the other branch led, eventually, to roadrunners (and all other birds).
Not exact matches
The other dinosaur tracks include: a sauropod, or long - necked plant - eater; small theropods, crow -
sized carnivorous dinosaurs closely related to the
Velociraptor and Tyrannosaurus rex; and pterosaurs, a group of flying reptiles that included pterodactyls.
Paleontologists originally put the kangaroo -
sized creature in the same suborder as
Velociraptor.