List of the Paleozoic life of Montana

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This list of the Paleozoic life of Montana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Montana and are between 541 and 252.17 million years of age.

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Pa elements, lateral view, X140
2, 5: Cavusgnathus unicornis
6, 7, 14 Cavusgnathus sp.
see detail
2. gamma morphotype, from the Deer Valley Member of the Mauch Chunk Formation, Keystone quarry, Pa.
5. alpha morphotype, and 6, 7. from the uppermost Loyalhanna Limestone Member of the Mauch Chunk Formation, Keystone quarry, Pa.
14. 93RS–67, from the basal 20 cm of the Loyalhanna Limestone Member of the Mauch Chunk Formation, Keystone quarry, Pa. (93RS–79a), and Westernport, Md.

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Fossil of the Cambrian trilobite Elrathia
Fossils at different stages of development of the Cambrian trilobite Elrathia

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Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha

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References[edit]

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.