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Myrtle Beach Cretaceous Finds


Rustdee

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Hi all,

I was recently at Myrtle Beach and collected some fossils from around 4th Ave. N. where a drain pipe is being installed. I found my best Hardouinia mortonis and several nice Exogyra costata so I know the Peedee formation is present there, I am unsure of other formations, as I found these in a dredge spoil pile on the beach, however I did find some things that are a bit puzzling:

The first item is a vertebra of some kind. What throws me off is that the cells are not filled in with limestone like the usual Peedee bones I find, I am wondering if this may be newer, maybe Pleistocene? Any ideas what kind of vertebra it is?

The second item I found on the beach 5 miles south. I was sifting in the sand and I found this. I believe it is a piece of coral and it looks an awful lot like horn coral to me, although I don't think that is possible unless someone dropped it on the beach. I think it is a species of Scleractinian coral, which due to convergent evolution looks like rugose coral.

Finally, I found the third item in the spoil pile. I am thinking it is the section of a jaw of a marine reptile, perhaps a mosasaur? In the last picture, I have seen small holes like that on mosasaur and crocodile jaws. Unfortunately, I do not have the tools yet to remove some of the limestone matrix surrounding the fossil.

Thanks,

Rustdee

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post-15854-0-02421500-1440304317_thumb.jpg

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Edited by Rustdee
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I'm not sure that is a coral, but we would need a shot that shows the pattern of septa to determine the type if it is.

Sure looks like a jaw piece. Nice finds !

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Thanks for the replies!

Unfortunately there is a bit of limestone matrix on the septa and cannot remove it without an air pen (Christmas needs to hurry up and get here ;) ). Any ideas on what it could be besides coral?

Also, I am really curious about that vertebra. Does anyone have any idea on what it may be. It is very different from what I normally find.

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You might cautiously try a little white vinegar on it. It would be nice to see another opinion on it, but it just doesn't strike me as looking like coral.

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It sure looks like horn coral that I've found in eastern PA, Devonian in age. I'll post a picture or two of what I have to compare at some point.

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  • 6 years later...
fossil_lover_2277
On 8/23/2015 at 12:45 AM, Rustdee said:

Hi all,

I was recently at Myrtle Beach and collected some fossils from around 4th Ave. N. where a drain pipe is being installed. I found my best Hardouinia mortonis and several nice Exogyra costata so I know the Peedee formation is present there, I am unsure of other formations, as I found these in a dredge spoil pile on the beach, however I did find some things that are a bit puzzling:

The first item is a vertebra of some kind. What throws me off is that the cells are not filled in with limestone like the usual Peedee bones I find, I am wondering if this may be newer, maybe Pleistocene? Any ideas what kind of vertebra it is?

The second item I found on the beach 5 miles south. I was sifting in the sand and I found this. I believe it is a piece of coral and it looks an awful lot like horn coral to me, although I don't think that is possible unless someone dropped it on the beach. I think it is a species of Scleractinian coral, which due to convergent evolution looks like rugose coral.

Finally, I found the third item in the spoil pile. I am thinking it is the section of a jaw of a marine reptile, perhaps a mosasaur? In the last picture, I have seen small holes like that on mosasaur and crocodile jaws. Unfortunately, I do not have the tools yet to remove some of the limestone matrix surrounding the fossil.

Thanks,

Rustdee

post-15854-0-14181200-1440304304_thumb.jpg

post-15854-0-02421500-1440304317_thumb.jpg

post-15854-0-83811200-1440304318_thumb.jpg

post-15854-0-76905300-1440304320_thumb.jpg

post-15854-0-66012800-1440304322_thumb.jpg

post-15854-0-58888000-1440304338_thumb.jpg

post-15854-0-86286600-1440304341_thumb.jpg

The third item certainly looks like it couldĀ be a fragment of a mosasaur dentary.

Edited by fossil_lover_2277
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