FOSSILS SPECIMEN: MARGINOCEPHALIA DINOSAURS

Fossils are defined as any evidence of prehistoric life. There are two types of fossils: Body Fossils include remains of skeletal bones, shell, carapace, test and teeth. Trace Fossils are clues the organism existed such as foot prints, tracks, burrows and coprolites (fossil dung).

Phylum: Chordata – Class: Reptilia – Clade: Archosaur – Clade: Dinosauria – Order: Ornithischia – Suborder: Marginocephalia “edge head”

(horned dinosaurs)

Middle Jurassic to Upper Cretaceous

 

Protoceratops Skull (Model)

Upper Cretaceous

Mongolia

Stegoceras Skull (Model)

Upper Cretaceous

North America

Triceratops Tooth

Upper Cretaceous

North America

Triceratops Skull (Model)

Upper Cretaceous

North America

Styracosaurus Skull (Model)

Upper Cretaceous

Alberta, Canada

Triceratops Brow Horn (Cast)

Upper Cretaceous

North America

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