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Mosasaur? And Shark Vert? North Texas Woodbine Form.


JamieLynn

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Howdy! Took a quick trip up to Dallas last week (kitten transport to two lucky families!) and I got a little fossil hunting in as well. The creek was Woodbine Form.  Found this partial vertebra and was thinking it was mosasaur (FINALLY FOUND ONE! even if it is pretty banged up) but a friend says maybe not? Any thoughts? And also found this lovely little shark vert. Any way of telling what kind? (I think it's a shark vert, anyways. I might be wrong...lemme know!)  Measurement in Inches

5fbae6642ef62_VertMosasaurWoodbineDallas(1).thumb.JPG.b0fc03fec0a76a696146b5f5c724d898.JPG

 

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Vert Mosasaur Woodbine Dallas (2).JPG

 

 

Vertebra Woodbine Jackson Ck (1).JPG

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5fbae6f9329a6_VertebraWoodbineJacksonCk.thumb.JPG.a7b6fcb0f6bf197be57050a56103d246.JPG

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Mosasaur verts are procoelous, meaning they are concave in the front and convex in the back, yours appears to be amphicoelous . I think it could be plesiosaur and if not, it could be from a dinosaur although that might be a stretch (however they are known from the woodbine ). Shark vert is definitely a shark vert though.

IMG_20181209_225523.thumb.jpg.4de6fd629e6ec2330bbd08fe45f6df83.jpg

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I vote plesiosaur and shark. Nice finds. Plesiosaur is much less common than mosasaur (in north Texas).

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"Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan

"I was born not knowing and have had only a little time to change that here and there." - Richard Feynman

 

Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | SquamatesPost Oak Creek | North Sulphur RiverLee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone

Instagram: @thephysicist_tff

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That would be quite awesome if it were a dino. Here's a dino vert from woodbine (Denton):

 

unnamed.jpg.8c8bf435a22b1f670f09925286825501.jpg

 

@jpc@LordTrilobite@Troodon does that vert look dinosaurian?

"Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan

"I was born not knowing and have had only a little time to change that here and there." - Richard Feynman

 

Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | SquamatesPost Oak Creek | North Sulphur RiverLee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone

Instagram: @thephysicist_tff

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5 hours ago, Troodon said:

Could be since plesiosaur neural spines typically are straight up and have round centrums.  But its pretty encrusted to be sure.

Sorry, it's this vert that we're trying to id (without the vertebral process):

17 hours ago, JamieLynn said:

5fbae6642ef62_VertMosasaurWoodbineDallas(1).thumb.JPG.b0fc03fec0a76a696146b5f5c724d898.JPG

 

IMG_0882.thumb.JPG.0f23b23b5a19471316e395ab8dba8a35.JPG

 

IMG_0885.thumb.JPG.b957bca153cb920545aab3c17ff82727.JPG

 

Vert Mosasaur Woodbine Dallas (2).JPG

 

"Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan

"I was born not knowing and have had only a little time to change that here and there." - Richard Feynman

 

Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | SquamatesPost Oak Creek | North Sulphur RiverLee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone

Instagram: @thephysicist_tff

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