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Samurai

This tooth most likely belongs to the Raytown Limestone member of the Iola Limestone formation. I found this during late March/Early April. I call this my first Peripristis tooth as I happened to find one 2 hours away from this locality a few days ago. I will upload that one later.

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From the album:

Chondrichthyan Teeth From The Pennsylvanian Period

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Collector9658

Posted

Are you sure this is Peripristis? Are the cusplets serrated?

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Samurai

Posted

1 hour ago, Collector9658 said:

Are you sure this is Peripristis? Are the cusplets serrated?

I was thinking so, but I could be wrong. I based it off of this website here but I couldnt find any teeth that closely matched. I still think this is some sort of petalodont if not peripristis. 

https://www.ammonit.ru/foto/30996.htm

 

Here are some close ups I tried to take but Prepping this will need to be done to expose more. 

 

20240505_123922.thumb.jpg.a932635a4cf63a8d0254c0b71d24a1cd.jpg20240505_123938.thumb.jpg.f28789cdfabfef09b43f4caa2dca86b0.jpg20240505_123700.thumb.jpg.d62aeb5be257ec84ccfdea1d0a219f9e.jpg20240505_123545.thumb.jpg.82fa6adff3ef430c385415e372e524e6.jpg

 

I also based it off my other True Peripristis tooth I found a couple weeks ago near the Missouri Iowa boarder. I assumed the specimen pictured above was the opposite side showing. 

 

other tooth:

FB_IMG_1714931039203.thumb.jpg.96f15cc5377dc6139a26b315d6d6309a.jpg

 

 

If you have any idea of what the assumed Peripristis tooth is let me know as I want to learn more. 

 

 

20240505_123540.jpg

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Collector9658

Posted

2 hours ago, Samurai said:

I was thinking so, but I could be wrong. I based it off of this website here but I couldnt find any teeth that closely matched. I still think this is some sort of petalodont if not peripristis. 

https://www.ammonit.ru/foto/30996.htm

 

Here are some close ups I tried to take but Prepping this will need to be done to expose more. 

 

20240505_123922.thumb.jpg.a932635a4cf63a8d0254c0b71d24a1cd.jpg20240505_123938.thumb.jpg.f28789cdfabfef09b43f4caa2dca86b0.jpg20240505_123700.thumb.jpg.d62aeb5be257ec84ccfdea1d0a219f9e.jpg20240505_123545.thumb.jpg.82fa6adff3ef430c385415e372e524e6.jpg

 

I also based it off my other True Peripristis tooth I found a couple weeks ago near the Missouri Iowa boarder. I assumed the specimen pictured above was the opposite side showing. 

 

other tooth:

FB_IMG_1714931039203.thumb.jpg.96f15cc5377dc6139a26b315d6d6309a.jpg

 

 

If you have any idea of what the assumed Peripristis tooth is let me know as I want to learn more. 

 

 

20240505_123540.jpg

The second tooth looks alot like Peripristis, I agree. I still am uncertain about the first tooth, I agree more prep would help. Have you checked to see if Peripristis is reported from those deposits?

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Samurai

Posted

2 hours ago, Collector9658 said:

The second tooth looks alot like Peripristis, I agree. I still am uncertain about the first tooth, I agree more prep would help. Have you checked to see if Peripristis is reported from those deposits?

Thats the fun thing! the Iola formation as a whole is severly lacking in reported online material, infact the only good source is the KGS website, an old website, and finds reported by @Missourian

 

Here is the website showing the teeth from the Raytown including a similar looking Peripristis. Sadly the locations on google Earth were not mentioned so I could go and see the Iola formation in a sequence instead of an abandoned rockpile.

 

https://inyo2.coffeecup.com/kansasfossils/kansasfossils.html

 

Eventhough the spot I hunt is a jumbled rockpile, I know its raytown due to the lithology descriptions listed here, the "Calico" appearance, and other fauna indicators that are listed on the KGS site. 

 

https://www.kgs.ku.edu/General/Geology/Johnson/05_outcr.html

 

The Muncie Creek is present via phosphate nodules being reworked into the Paola Limestone but the shale itself is gone. Ive also found the described Conulariids in the Paola Ls that are on my other album. This at least proves its one of those formations, if there is any doubt. I have not found a nodule in the Raytown so its easier to know which layer is which at the site.

 

Ive also found some fossils not listed on the website from the Raytown such as scarce fish bones and some carbon? chunks. Here are some images I took a while ago.

20240315-143020.thumb.jpg.cf28a95e4d986c193bca389614c1472b.jpg

Carbon?

20240315-143900.thumb.jpg.1893ac2a8241b2daf3067737ba953bf1.jpg

 

20240310-154645.thumb.jpg.bd2e40c5c1e1fe743c58d3c531bbd395.jpg

 

Fish teeth and Very scarce fish bones are not restricted to the Raytown as ive rarely found them in the thicker Paola strata and somewhat more commonly in the Muncie Phosphate nodules but thats off topic. 

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