Alvarezsaurus calvoi

Discovered in Argentina, the remains of Alvarezsaurus suggest a small lightly built animal with long legs that could run quickly. Some scientists believe Alvarezsaurus is related to Mononychus and that it was feathered. Late Cretaceous. Image created under paleontologist direction for client: Byron Preiss Publications. Digital manipulation of an oil painting, 8.5x7.5" @ 300dpi.