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Early Jurassic plant fragment; East Berlin Formation in Connecticut


Cianfaglione

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Cianfaglione

The first time I found this type of triangular marking I thought it was a broken off tip of a much larger plant fossil.

Five specimens later (all identical in size and shape including straight-edged base) and I'm now starting to think that this might be a possible pinnae to some sort of cycadophyte.

Illustration from the book Introduction to Plant Fossils; Cleal and Thomas. Early Jurassic, East Berlin Formation of Connecticut.

Thoughts and comments would be greatly appreciated.  

 

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Fossildude19

I think it is a pinna of an Otozamites brevifolis

Can you see any striations on it, Paul? 

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Cianfaglione

Yes Tim, there are faint striations on this fossil fragment. The other specimens however have more defined striations. Thank you again for your comments! 

 

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Fossildude19

image_2021-03-26_212922.png

 

Image from HERE.

 

 

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Plantguy

Neat find! 

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