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Eggs Or Poop Or ?


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#1 stxhunter

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Posted 30 June 2013 - 01:44 AM

Found this yrs back on TX coast. 

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#2 Carl

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Posted 30 June 2013 - 09:43 AM

It looks like a mass of invertebrate coprolites to me.



#3 Indy

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Posted 30 June 2013 - 10:32 AM

Not like any coprolite I've ever seen

in the field or in images on the Net.


Locality & Geology as well as Time Period is important Information

Flash from the Past (Show Us Your Fossils)


#4 Carl

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Posted 30 June 2013 - 06:38 PM

Invertebrate coprolites never get any Web time. That's why no one knows what they are...



#5 Indy

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Posted 30 June 2013 - 10:09 PM

Invertebrate coprolites never get any Web time. That's why no one knows what they are...

 

Do you have some comparable images of invert coprolite ??


Edited by Indy, 30 June 2013 - 10:40 PM.

Locality & Geology as well as Time Period is important Information

Flash from the Past (Show Us Your Fossils)


#6 Fossildude19

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Posted 01 July 2013 - 07:07 AM

This item looks kind of like some Ophiomorpha I have seen.

Images HERE.

On this webpage, if you scroll down to the Ophiomorpha statement, the link to fecal pellets shows a great pic of modern ones that look very similar to

the example posted in the original post.

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Tim
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#7 Batty

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Posted 01 July 2013 - 07:13 AM

Yup it's poop

#8 Indy

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Posted 01 July 2013 - 08:01 AM

This item looks kind of like some Ophiomorpha I have seen.

Images HERE.

On this webpage, if you scroll down to the Ophiomorpha statement, the link to fecal pellets shows a great pic of modern ones that look very similar to

the example posted in the original post.

Regards,

Copied from the website ...

Vertical burrow reinforced by fecal pellets.
Today, Ophiomorpha is made by the ghost shrimp Callianassa.


Locality & Geology as well as Time Period is important Information

Flash from the Past (Show Us Your Fossils)


#9 stxhunter

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Posted 01 July 2013 - 12:08 PM

Thanks for the info.  I found it about 10 yrs ago on a fossilized beach, It is hard as a rock, even the sand is hard. 



#10 Carl

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Posted 01 July 2013 - 01:51 PM

Here are some more examples.

COPROS.jpg
From the Late Cretaceous of New Jersey.

COPROS 2.jpg
And from the Pliocene of California (These are almost certainly from galatheid crabs)

#11 Carl

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Posted 01 July 2013 - 01:52 PM

But the burrows of callianassids (like Ophiomorpha) are not composed of fecal pellets. They are studded with shaped balls of sediment.



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