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frankh8147

Shark teeth + possible Xiphactinus(?) from NJ Cretaceous

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frankh8147

Hello!

 

These were all found in Monmouth County, New Jersey (Late Cretaceous).

 

I have believed the first tooth to be Xiphactinus Vetus for years but am a little thrown off by the general texture of it and after searching images of Xiphactinus teeth, I can't find another that looks similar. I have found deteriorated Mosasaur teeth with a similar appearance so I was wondering if it could just be stream-worn. The tooth is about an 1.5 inches long, has two very defined cutting edges and a nice curve (which are all consistent with X. Vetus). The last thing I could add - it either has 'fluting' or is faceted but I'm not sure how to determine that.

 

The second set of pictures is of different shark teeth from the same location. 

 

As always, all help is greatly appreciated! -Frank

x.jpg

x2.jpg

x3.jpg

x5.jpg

x8.jpg

x11.jpg

xf1.jpg

xf2.jpg

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frankh8147

And the sharks.. 4 teeth total, I included the group shot for a size reference.

x21.jpg

x22.jpg

x31.jpg

x43.jpg

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Al Dente

It looks like Xiphactinus to me. It looks like the normal cracks in the enamel have weathered and expanded giving the tooth an unusual texture.

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Darktooth

It's a beautiful tooth Frank! A great find!

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The Jersey Devil

Hi Frank,

Yep, that is a Xiphactinus vetus tooth. Its features will be harder to make out because of abrasion. The shark teeth in the group shot, from left to right, are a pathological Squalicorax “kaupi”, an upper lateral Scapanorhynchus texanus, a Serratolamna serrata lateral (nice find, pretty rare), and an Archaeolamna kopingensis posterior.

 

Joseph

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frankh8147

Thanks everyone! I'm really glad that one tooth ended up Xiphactinus - I was pretty sold on Xiphactinus but wanted to be sure since I have used it as a reference piece.

 

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