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Broken shell specimen found at Playa Esterillo Oeste, Costa rica


costaricajc

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Is it possible to have an ID or at least an educated guess just with this fragments. I think the central pacific coast of CR started to form about 2 - 2,6 million years ago, this is what I found on the internet.

fossil 3.jpg

fossil glow.jpg

fossil size.jpg

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looks to me like a bivalve since the shell looks fairly flat. without knowing anything about costa rica beyond a quick internet search my best bet would be a scallop or clam of some sort but its hard to tell from only a fragment. my best advice would be looking up other fossil shells from costa rica and comparing to those

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Agree with bivalve, possibly some sort of scallop.

Specimen is incomplete which narrows the possibility of an accurate ID.

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