Pelycosaurs
by Gray, Susan Heinrichs
Series:Exploring Dinosaurs & Prehistoric Creatures · Exploring Dinosaurs
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
5.2
AR Points
0.5
Word Count
2,306
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
85284 EN
About this book
Pelycosaurs were lizardlike creatures that inhabited Earth long before dinosaurs first appeared. From sail-backed Dimetrodon to tiny Archaeothyris, pelycosaurs shared characteristics of both mammals and reptiles.