1 volume (unnumbered pages) : color illustrations ; 29 cm
At head of title: American Museum of Natural History.
"Based on the fossil halls at the American Museum of Natural History ... the fossil record of backboned life"--A note from a paleontologist, Dr. Mark A. Norell, page .
Meet some amazing prehistoric creatures that weren't dinosaurs. Simple rhyming text and bright illustrations introduce us to creatures who we have come to know through fossils-- but they are NOT dinosaurs!