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Three shark teeth for ID


Kolya

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Hello!
Help, please, with identification. I think that one of them is part of Heterodontus tooth.
Scale in mm.
Western Ukraine.
Age unknown (Cretaceus-Neogene).
Thanks in advance!
 

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You have to tell us if your rule is cm or inch ! Or make it appear larger to allow us to see the full graduations to know...
 
Coco

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

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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3 minutes ago, Coco said:
You have to tell us if your rule is cm or inch ! Or make it appear larger to allow us to see the full graduations to know...
 
Coco

Thanks, Coco!

Scale in cm (mm), so lenght of first tooth is 0,4 cm, second - 0,7 cm, third - 0,5 cm.

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The second tooth is a Heterodontus lateral tooth. 

I am not sure about the other two. 

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Knowing the age of the sediments greatly increases the chances of identification. Otherwise we are guessing. Yes the one tooth is Heterodontus  but that is th he Genus. It cannot be I.D.'d to species with out knowing the formation and age.

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Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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9 hours ago, sixgill pete said:

Knowing the age of the sediments greatly increases the chances of identification. Otherwise we are guessing. Yes the one tooth is Heterodontus  but that is th he Genus. It cannot be I.D.'d to species with 

Thanks!

Yes, I understand that age is important to identification. There are deposits of Neogene (Miocene) but also some redeposits which coud be from Cretaceus or Paleogene...

If possible to identify genus is would be very nice. And the most interesting tooth for me is the first one...

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