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Hi all! My collection as requested.


Mail1989

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1 hour ago, Tidgy's Dad said:

Lots of interesting pieces! :)

Thank you mate, I was very excited finding these things, ecspecially the Charmouth specimens as it is my first reptile finds in that location and I did not expect these of all things I could have found.

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Possible Pliosaur jaw fragment (given the thickness of this piece. Matches thick mandible of Pliosaur.)

 

Smallmouth bay, Weymouth, Dorset.

6E05DEC7-EA06-4A43-9184-C52F5D61AD95.jpeg

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On 26/08/2018 at 12:27 PM, Troodon said:

There are hadro species in the Campanian and some Maastrichian deposits that are distinctive by having denticles, in dentary teeth and that's what this tooth looks like.   

 

In the Hell Creek maxillary teeth of Edmontosaurus are typically with denticles but my guess is that this is not one. 

 

Example of late Santonian/Campanian teeth

Screenshot_2018-08-26-04-42-54.thumb.jpg.ed8ecdd1a42ef8218fa0dc87c81ab800.jpg

 

From the Javelina Fm Maastrichian

Screenshot_2018-08-26-05-17-04.thumb.jpg.d32c36be3336a941c3ecf31f64bb3e16.jpg

 

Yes this has baffled me too, the owner swears that this tooth is sourced directly from Hells Creek. But I too have never seen such denticles before. I am not very clued up on Hadrosaurs so to speak. Not something we come across often along out shores. Is there any particular species of Hadrosaur that spring to mind when looking at this tooth? 

 

Thanks

 

 

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  • 2 years later...
On 8/20/2018 at 6:36 PM, belemniten said:
On 8/20/2018 at 6:09 PM, Mail1989 said:

Plesiosaur teeth, Westbury formation, River Severn, Avon, UK

1DB6C1F7-3AC5-46F2-A00F-3C8B805E40B3.jpeg

Are you sure that these are plesiosaur tooth? Do you individual pictures of them?

The one on the left looks like an Ichthyosaur tooth and the other one like a croc tooth ...

 

On 8/20/2018 at 8:37 PM, belemniten said:

Is it possible for you to take some more detailed pictures of them?

With these pieces since having passed hands to me, let me answer your question... Concerning the right tooth, the one in the big block of matrix, I've already once posted some images from it in a different post, shown below. It has at least one carina and has an unridged surface. As such, I've concluded that it's probably a Severnichthys accuminatus tooth, the tooth of a predatory fish that is frequently found in the same sediments and about as often mistaken for marine reptile teeth:

 

5ffcdf21d9160_Severnichthystooth.jpg.71ef87c55488491e63f9fc09652486a2.jpg

 

As concerns the tooth on the smaller piece of matrix, this tooth has a round cross-section, lacks carinae, has ridges running the length of the lingual side of the tooth, with a smooth labial side. As such, it's clearly a plesiosaur tooth, more specifically a rhomealosaurid by the name of Eurycleidus arcuatus. Below are some images of this specific tooth:

 

20210111_233302.jpg.d7a074c6b26cb1baf9715b10e2a973ca.jpg20210111_233351.thumb.jpg.2d3b3adf05f4d3a3814b8c41a6beedcb.jpg20210111_233414.thumb.jpg.22a731236b639678bb1021efbd15a866.jpg20210111_233436.thumb.jpg.e76d85e90f08abd6d9bf580dd08f07b5.jpg20210111_233330.jpg.8fd19812312af3c0cf1497e2f430f2b3.jpg

 

Very nice collection, by the way, Liam! And it has only grown since, by what I gather ;)

'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett

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