PREHISTORIC LIFE TABLE OF CONTENTS OBL HOME
ARTHROPOD
PREHISTORIC LIFE
ICHTHYOSTEGA
OSTEOLEPIS
INTRODUCTION
EARLY LIFE
INVERTEBRATES FISH
AMPHIBIANS
REPTILES
ARCHOSAURS
SAURISCHIAN DINOSAURS
ORNITHISCHIAN DINOSAURS
BIRDS
MAMMAL ANCESTORS
MAMMALS
OVIRAPTOR
PRIMATES
SKULLS