Ornithiscian Quiz Flashcards by Riley Bannister | Brainscape

Q

What is an ornithiscian

A

bird-hipped

predentary bone

herbivores

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Q

Thyreophora

A

inside ornithiscia

Ankylosauria

Stegosauria

body armor lined up in longitudinal rows along the body

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Q

Stegosauria

A

Middle Jurassic-Lower Cretaceous

North America, Europe, Asia, Africa

Plates/spike along back and tail

quadrupedal herbivores

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Q

Ankylosauria

A

most heavily armored dino

Upper Jurassic to Upper Cretaceous

Every continent but Antartica

Ankylosauridae (tail clubs)

Nodosauridae (no tail clubs)

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Q

Ornithopoda

A

generic herbivorous dinos

some had elaborate crests

reduced or absent mandibular fenestra

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Q

hadrosuaridae

A

ornithopods

duck billed dinos

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Q

Marginocephalia

A

Pachycephalosauria

Ceratopsia

marginal shelf at the back of the skull

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Q

Pachycephalosauria

A

herbivorous

bipedel

thick cranial roof

caudal basket

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Q

Ceratopsia

A

Herbivorous

Rostrum is parrot-like beak

frill or shelf at back of skull

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