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Pender County Nc Cretaceous 08 Aug 2013


sixgill pete

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This is the best from my trip to Pender County a few days ago. I want to again thank my gracious host's for allowing me the privilege of sampling the exceptional finds from this site.

Hardouinia motoni's and a Hardouinia Kellumi echinoids. A very nice Serratolamna serrata. An unknown gastropod and a part of a fish vert. Plus the jewel of the day, the complete Aldebarania arenitea starfish along with 2 partials, which I have previously posted under Fossil ID.

post-4130-0-72067900-1376327841_thumb.jpg

Also a cool plate with a Hardouinia mortoni.

post-4130-0-26507100-1376327932_thumb.jpg

Edit: The Id of the tooth was changed thanks to a keen eye and the helpful info from Al Dente

Edited by sixgill pete

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Nice stuff. The starfish is one of the neatest fossils I've ever seen.

Your plate is neat...fossils in situ like that add a lot of character to a collection.

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Great echi's Don and all the finds are splendid! :D

Process of identification "mistakes create wisdom".

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Nice stuff. The starfish is one of the neatest fossils I've ever seen.

Your plate is neat...fossils in situ like that add a lot of character to a collection.

I will admit, I am still rather smitten by the starfish. It is without a doubt one of the finest of my collection.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Thanks for the replies everyone, it was a rather good day.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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I think your shark tooth is Serratolamna serrata. Scapanorhynchus is one of the most common teeth in the Campanian but went extinct sometime in the Maastrictian (at least in North Carolina). They were probably gone by the time the Peedee Formation (Late Maastrictian) was being deposited.

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Al Dente, I got he ID for this tooth from Elasmo.com, with that said, I know it is not the gospel so to speak. It does state S. texanus as well as s. serrata from the PeeDee. Looking at photo's of both teeth as I did, the tooth appeared more like the texanus, at least to me. I am adding some closer pics of the tooth, please look at them again as I have always valued your informed opinion and do like to have everything labeled as properly as possible. Thanks.

Don

post-4130-0-12806100-1376403671_thumb.jpgpost-4130-0-18929100-1376403709_thumb.jpg

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Terrific finds. I love that Hardouinia on the matrix, and of course the star is a really wonderful discovery. Not a bad day at all.

Start the day with a smile and get it over with.

 

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Lateral Scapanorhynchus do have a similar form as Serratolamna serrata. S. texanus has a more pronounced lingual bulge on the root with a deep groove in the bulge. Most tooth positions of S. texanus will have some striations on the crown but they can be very reduced on the lateral teeth, just a little where the enamel meets the root. The root in S. texanus is usually a smooth U-shape while on Serratolamna serrata it isn't as deep and is more of an angle than a smooth U. Most Serratolamna serrata teeth are asymetrical, usually with the distal side having more cusplets.

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Lateral Scapanorhynchus do have a similar form as Serratolamna serrata. S. texanus has a more pronounced lingual bulge on the root with a deep groove in the bulge. Most tooth positions of S. texanus will have some striations on the crown but they can be very reduced on the lateral teeth, just a little where the enamel meets the root. The root in S. texanus is usually a smooth U-shape while on Serratolamna serrata it isn't as deep and is more of an angle than a smooth U. Most Serratolamna serrata teeth are asymetrical, usually with the distal side having more cusplets.

Thanks Al Dente, based on this information, I agree that the tooth is indeed Serratolamna serrata. I am going now to change my ID.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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the peedee occurrence of Scapanorhynchus goes back to the day when the Donoho Creek (Campanian) was part of the Peedee. So in the old lit Scapanorhynchus occurs in the Peedee as then defined. This has lead to a lot of misidentifications. Al Dente is right to use diagnostic characters instead of formation.

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