Elopteryx (meaning marsh wing) is a Troodontid from late Cretaceous Romania (80-66 MYA). Once thought to be a bird, and later to be a Dromaeosaurid. It has appeared in the second episode in Dinosaur Planet, where a pack of them join up with a Pyroraptor named Pod. It was about 1 metre (3 ft) long and weighed 20 kg.
In the Media
Elopteryx was in the Discovery Channel documentary Dinosaur Planet, referred to as a Dwarf Troodon.