Carboniferous Pennsylvanian mystery fern from Kentucky

[ntloux]

I have a fossil fern (seed fern?) from Kentucky for which I have finally been able to acquire readable close ups of the leaf structure.  Members of the Forum have previously been very generous with their advice; however the image was not sufficiently detailed in order to make more definitive suggestions.  Various suggestions are that it is possibly a cyclopteris, a neuropteris ovata, or a macroneuropteris scheuchzeri specimen.  However, the leaf structure appears to be more robust than images of these types of fossils.  With the closeups hopefully a more definitive answer can be found.  Suggestions are welcome.

 

The 1st image is of the entire specimen including a neuropteris leaf (disregard the cyclopteris label).  The fossil of interest is in the upper right.  The remaining images are closeups.

 

 

 

 

 

 

 

 

Thank you in advance for any suggestions.

 

 

 

[Mark Kmiecik]

We had determined in a previous post that this is most probably Laveineopteris rarinervis. I thought it was Neuropteris ovata, but @paleoflor corrected my ID. He knows flora quite well, so I defer to his ID of this specimen.

 

 

 

 

Edited March 19 by Mark Kmiecik
fix typo

[ntloux]

Mark,  Thanks for all of the information that you have provided to me.  Nick