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A mysterious tooth : Marine or terrestrial mammal?


Damien Garcia

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Hello everyone,

 

I discovered a mammal tooth from the Lower Miocene not far from Bordeaux (Aquitaine, Southwestern France). I've already had different opinions but nothing sure. I thought of cetacean, but terrestrial mammal was also discovered on the site. So I show you some pictures of this tooth to get your opinions and arguments for an identification (Cetacea or terrestrial mammal). I apologize for the imperfect quality of the pictures, I only have my phone to take pictures.

 

Thanks in advance for your answers.

 

Damien

279686877_1064352214486171_9185258375349772772_n.jpg

279728861_588888348967123_5803506846350181149_n.jpg

279740521_1114180112764352_1724094981096652639_n.jpg

279786762_289218359959728_1235792508266851959_n.jpg

279951446_365959498827383_3134293601219442699_n.jpg

280083413_584231626741120_8986342414847611594_n.jpg

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Hi,

 

Dolphin ?

 

Coco

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----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Pareidolia : here

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

Badges-IPFOTH.jpg.f4a8635cda47a3cc506743a8aabce700.jpg Badges-MOTM.jpg.461001e1a9db5dc29ca1c07a041a1a86.jpg

 

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Definitely dolphin. I've got a specimen (Dolphinodon dividum) from the Belgian Miocene in my collection that's a very close copy of yours. Nice find! I normally restrict myself to marine reptiles, but, as far as marine mammals go, can really appreciate dolphin.

 

859361116_Delphinodondividumdolphintooth01.jpg.ea8571248684b9cc17672482a1cb3d9c.jpg1756736288_Delphinodondividumdolphintooth02.jpg.0ed8b1d60bb212fef1ca2ca174bd5313.jpg

Edited by pachy-pleuro-whatnot-odon
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'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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8 hours ago, pachy-pleuro-whatnot-odon said:

 

Definitely dolphin. I've got a specimen (Dolphinodon dividum) from the Belgian Miocene in my collection that's a very close copy of yours. Nice find! I normally restrict myself to marine reptiles, but, as far as marine mammals go, can really appreciate dolphin.

 

859361116_Delphinodondividumdolphintooth01.jpg.ea8571248684b9cc17672482a1cb3d9c.jpg1756736288_Delphinodondividumdolphintooth02.jpg.0ed8b1d60bb212fef1ca2ca174bd5313.jpg

 

The resemblance is obvious!

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