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File:Cosmopolitodus hastalis tooth.jpg

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Summary

Description
English: Cosmopolitodus hastalis (Agassiz, 1843) - fossil shark tooth (labial side) from the Tertiary of eastern America.

Also known as Carcharodon hastalis.

This shark tooth is from an extinct species known as the big-tooth mako shark. Like all sharks, the skeleton was cartilaginous, and the only commonly preserved fossil remains are teeth.

Fossil remains of Cosmopolitodus hastalis are widespread in marine deposits of late Tertiary age. Their diet included marine mammals such as cetaceans.

Classification: Animalia, Chordata, Vertebrata, Chondrichthyes, Elasmobranchii, Lamniformes, Carcharodontidae (or Lamnidae)

Stratigraphy: unrecorded Miocene or Pliocene unit

Locality: unrecorded/undisclosed site probably in the Chesapeake Bay region of eastern America

See info. at:

en.wikipedia.org/wiki/Cosmopolitodus
Date
Source https://www.flickr.com/photos/jsjgeology/49590119621/
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49590119621 (archive). It was reviewed on 3 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

3 March 2020

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