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Recent Trip To C&d Canal, Delaware Find


geochem

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I am new to the forum and this is my first time posting. I do appreciate the existance of the forum and look forward to exploring all it has to offer. So. On a recent trip to the C&D canal in Delaware, Reedy point to be exact, I found this 3/4 " fossil. I think it is Creataceous and I think it is an Ostrea. I have done some research and have not been able to pin this one down. Any thoughts? And thanks for any help.

Edge view

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Side 1 view

post-16379-0-34910400-1409707957_thumb.jpg

Side 2 view

post-16379-0-72511900-1409707958_thumb.jpg

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or possibly Pterotrigonia thoracica

Knowledge has three degrees-opinion, science, illumination. The means or instrument of the first is sense; of the second, dialectic; of the third, intuition.

Plotinus 204 or 205 C.E., Egyptian Philosopher

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Looks like Ostrea falcate to me.

-Dave

__________________________________________________

Geologists on the whole are inconsistent drivers. When a roadcut presents itself, they tend to lurch and weave. To them, the roadcut is a portal, a fragment of a regional story, a proscenium arch that leads their imaginations into the earth and through the surrounding terrain. - John McPhee

If I'm going to drive safely, I can't do geology. - John McPhee

Check out my Blog for more fossils I've found: http://viewsofthemahantango.blogspot.com/

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It's definitely an oyster of family Ostreidae, but may not be genus Ostrea. It might be a juvenile, and the problem with that is the images given for identification are normally adults. As some oysters grow, they can change their characteristics. That makes it confusing to classify a juvenile specimen.

Here's a pdf of common fossils of the cretaceous of delaware. I have a slow modem so I can't easily download it, but check it out.

http://www.dgs.udel.edu/sites/dgs.udel.edu/files/publications/RI21e.pdf

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It's definitely an oyster of family Ostreidae, but may not be genus Ostrea. It might be a juvenile, and the problem with that is the images given for identification are normally adults. As some oysters grow, they can change their characteristics. That makes it confusing to classify a juvenile specimen.

Here's a pdf of common fossils of the cretaceous of delaware. I have a slow modem so I can't easily download it, but check it out.

http://www.dgs.udel.edu/sites/dgs.udel.edu/files/publications/RI21e.pdf

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