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Is this coral or a worm tube?

Jiesen

By Jiesen
in Fossil ID

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Jiesen New Member

Jiesen

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(Sorry no tape measure; didn't have one. But it's about 12 cm, top to bottom. Toyota key fob for relative scale.)

 

Found this in the Pecan Gap Chalk (Cretaceous era, Western Interior Seaway) of south-central Texas.

 

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20240525_184047.jpg

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Thomas.Dodson Regular Member

Thomas.Dodson

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Looks like the trace fossil Thallasinoides. They're found in the Pecan Gap (and a lot of Texas Cretaceous). A lot of things potentially make them but decapods are usually what people assume.

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DPS Ammonite Regular Member

DPS Ammonite

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Not seeing any shell of a tubeworm or coral septa. Burrows in the Cretaceous are common and this may be one.

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My goal is to leave no stone or fossil unturned.   

See my Arizona Paleontology Guide    link  The best single resource for Arizona paleontology anywhere.       

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