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fragment of Baculite? Belemnite? Crinoid? (Found in Cretaceous Austin / Pecan Gap Chalk, South Central Texas, USA)

Jiesen

By Jiesen
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Jiesen New Member

Jiesen

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Could someone please help me identify this small (~6 cm long, 2 cm diameter) cylindrical fragment, embedded in a surrounding rock matrix? It's certainly Cretaceous and marine, having been found in South Central TX. I was thinking baculite, belemnite, or maybe a crinoid. Thanks! 

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Fossildude19 Regular Member

Fossildude19

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Looks more like an infilled burrow. No sutures, so not a Baculites.

No calcite replacement, so not a belemnite either.

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Jiesen New Member

Jiesen

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3 minutes ago, Fossildude19 said:

Looks more like an infilled burrow. No sutures, so not a Baculites.

No calcite replacement, so not a belemnite either.


So like a worm tube, kinda? That makes sense. Thanks!

 

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