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??? Shark tooth


drbush

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Hi friends, I wish you all good health, can you help me with this?  I went to Khrase city, Rus formation, Eocene, to the east of Riyadh and found many shark teeth. It was a surface find.

can you kindly help me identify the species.

1st one is 15 mm by 16mm , 2nd is 15 by 10 mm, 3rd is 20 by 10 mm.

IMG_2020-04-05_13-40-18.jpg

IMG_2020-04-05_13-42-40.jpg

IMG_2020-04-05_13-44-53.jpg

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cool teeth. the only one that looks familiar to my novice eyes is the top right. looks tigershark'ish to me. never hunted the Eocene though.

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1.physolageus segundus

2.abdounia spp?

3abdounia spp?

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59 minutes ago, will stevenson said:

1.physolageus segundus

2.abdounia spp?

3abdounia spp?

Wouldn't the relatively larger size and significant serrations rule out physolageus segundus? We have these I believe in the Cretaceous of NJ but they are typically too small to find in a pan with 1/4" screen.

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30 minutes ago, Andy B said:

Wouldn't the relatively larger size and significant serrations rule out physolageus segundus? We have these I believe in the Cretaceous of NJ but they are typically too small to find in a pan with 1/4" screen.

oops sorry, i meant physogaleus contortus

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Actually I revise my statement anyone is welcome to chip in but I think it could be galeocerdo eaglesomi like this one

60562A6F-BDBD-4DF8-9749-FF3D5540015C.jpeg

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sn no 1 is physogaleus contortus.

2. galeocerdo eaglesomi.

3. abdounia sp.

is that right?


 

 

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I’m not sure on the abdounua spp but otherwise I think so

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I don't think the last two are Galeocerdo. Galeocerdo should have some serrations extending onto the tip as you can see in Will's example. I have a tooth from the late Eocene of Togo that is similar to these two teeth. I don't have an ID for it.

 

 

eaglesomei.photo.jpg

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