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Mazon Creek Annularia or Cephalopod


Nimravis

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I am at a 99% certainty that this is just a weathered annularia, but there is a very small percentage of my thinking that it might be the cephalopod, Jeletzkya douglassae. I know that J. douglassae has 10 arms and this concretion has 9 branching (leaves / arms?). I collected this 1/2 concretion years ago at Pit 4 (Shadow Lakes- Braidwood Flora / Fauna) What do you think @fiddlehead, @RCFossils?

 

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No idea, but hurray for the return of the Mazon Creek stuff! 

Still gazing at mine as often as possible. :)

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Life's Good!

Tortoise Friend.

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1 hour ago, Nimravis said:

99

Add my two cents (maybe worth .02 percent) to that.

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“...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin

Happy hunting,

Mason

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possibly Annularia, a clearer picture would help

"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes

"can't we all just get along?" Jack Nicholson from Mars Attacks

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4 hours ago, Herb said:

possibly Annularia, a clearer picture would help

Herb that is as sharp as I can get it because it is a weathered out concretion. That is why I am also thinking Annularia:

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It appears to me to be a lightly preserved annularia.

i do not see anything that would indicate cephalopod.

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