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Demopolis Chalk

Geological formation in the United States From Wikipedia, the free encyclopedia

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The Demopolis Chalk is a geological formation in North America, within the U.S. states of Alabama, Mississippi, and Tennessee. The chalk was formed by pelagic sediments deposited along the eastern edge of the Mississippi embayment during the middle Campanian age of the Late Cretaceous.[1] It is a unit of the Selma Group and consists of the upper Bluffport Marl Member and a lower unnamed member.[2] Dinosaur and mosasaur remains are among the fossils that have been recovered from the Demopolis Chalk.[2][3]

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Vertebrate paleofauna

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Fish

Cartilaginous fish

More information Cartilaginous fish of the Demopolis Chalk Formation, Genus ...

Bony fish

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Reptiles

Dinosaurs

Indeterminate hadrosaurid remains have been found in Tennessee.[3] Possible indeterminate tyrannosaurid remains have been found in Alabama.[3]

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Crocodylians

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Mosasaurs

More information Mosasaurs of the Demopolis Chalk, Genus ...

Turtles

More information Turtles of the Demopolis Chalk, Genus ...
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References

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