Fossil ID help

[Stinking Lincon]

Found on the beach in Cameron Louisiana this is the second one I've found. I've never had any luck with a positive ID.

 

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[texasriverdigger2.0]

Nice find, digger..... I think, it's a fish fin spine.

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[texasriverdigger2.0]

 

[texasriverdigger2.0]

This is a fish fin bone and some gills I found a while back.....

 

[Perico]

Not sure buddy. Sorry.