Ranges Flashcards by Molly Tooher-Rudd | Brainscape

Q

Rugose

A

Ordovician-Permian

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Q

Tabulate

A

Ordovician-Permian

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Q

Trilobites

A

Cambrian-Permian

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Q

Sclerectinian

A

Triassic-Present

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Q

Brachipods

A

Cambrian-Present

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Q

Bivalves

A

Cambrian-Present

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Q

Crinoids

A

Ordivician-Present

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Q

Graptolites

A

Silurian to early Devonian (very rare by Dev)

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Q

Belemnites

A

Jurassic-End Cretaceous

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Q

Conodonts

A

Precambrian-Permian

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Q

Forminfera

A

Cambrian-Present

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Q

Nautiloids

A

Cambrian-Present

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Q

Ammonoids

A

Goniatites: Ordovician-Permian
Ceratites:Triassic-Jurassic
Ammonoids: Jurassic-End Cretaceous

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Q

Ostracods

A

Cambrian-Present

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Q

Radiolaria

A

Cambrian-Present

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Q

Echinoids

A

Cambrian-Present

Irregular from Triassic

Q

Dinosaurs

A

End Permian-end Cretaceous