Thrift store 10" fish sederite nodule fossil find need help with ID

[Lost&Found]

This is a cross post from the Garage Sale thread. I need help in IDing it.

Found this specimen at a thrift store yesterday. At first I thought it was a child's DIY make a fossil but after seeing the mineralization it never left my hands. I would appreciate help in IDing it.

The nodule measures 11" x 5" and is quite heavy. The fish is 10" x 3".
I just noticed hand writing on the borders (haven't had time to decipher it yet) and will soon post better pictures then the ones posted now. Any help would be appreciated.

 

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[Harry Pristis]

Might be a fish from the Cretaceous Santana Formation of Eastern Brazil.

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[yakker]

Pretty cool for a thrift store snag!

 

[Perico]

Eeeece

 

[Perico]

Sorry.... looking at post carrying my phone in my hand and that was typed involuntarily. Don't know enough to add a comment on this post.