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File:Pachyteuthis densus (fossil belemnite) (Swift Formation, Jurassic; Carbon County, Montana, USA) 1 (49075434606).jpg

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Summary

Description

Pachyteuthis densus (Meek & Hayden, 1858) - fossil belemnite from the Jurassic of Montana, USA. (~4.05 centimeters long)

Belemnites are an extinct group of marine organisms. They were squids that had a solid, calcareous, bullet-shaped, internal skeleton called a guard.

Classification: Animalia, Mollusca, Cephalopoda, Coleoidea, Belemnitida

Stratigraphy: Swift Formation, upper Callovian STage to Oxfordian Stage, uppermost Middle Jurassic to lower Upper Jurassic

Locality: unrecorded/undisclosed site in Carbon County, southern Montana, USA

See info. at: <a href="https://en.wikipedia.org/wiki/Belemnitida" rel="noreferrer nofollow">en.wikipedia.org/wiki/Belemnitida</a> and

<a href="https://en.wikipedia.org/wiki/Belemnoidea" rel="noreferrer nofollow">en.wikipedia.org/wiki/Belemnoidea</a>
Date
Source Pachyteuthis densus (fossil belemnite) (Swift Formation, Jurassic; Carbon County, Montana, USA) 1
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@N05/49075434606 (archive). It was reviewed on 6 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

6 December 2019

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current04:02, 6 December 2019Thumbnail for version as of 04:02, 6 December 20192,568 × 892 (1.41 MB)Ser Amantio di NicolaoTransferred from Flickr via #flickr2commons

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