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Shark Dermal Denticle

DE&i

By DE&i
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DE&i Regular Member

DE&i

Posted
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Hi everyone,

Amongst other fossils that I found from my last field trip, I found what I believe to be a Mesozoic shark dermal dentical (known as a 'type 3 or 4' I think) measuring 1.5mm.

 

All opinions welcome.

 

post-13364-0-09623900-1431299074_thumb.jpg  post-13364-0-30400900-1431299077_thumb.jpg  post-13364-0-70227700-1431299081_thumb.jpg

Regards.....D&E&i

The only certainty with fossil hunting is the uncertainty.

https://lnk.bio/Darren.Withers

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Auspex Regular Member

Auspex

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Well done!

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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sixgill pete Regular Member

sixgill pete

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It is definitely a dermal denticle, and it looks very similar to several I have from Lee Creek (which is Miocene/Pliocene!!!!). Some say the ones I have are from a Bramble Shark, others say they are from rays.

Very nice find, especially to find it on the ground in the quarry. As Auspex said, well done!!

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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Shellseeker Regular Member

Shellseeker

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Darren, Very nice. Good find!!!

I was fortunate to find one of those that Pete references.. and now I wonder if it is from a shark or ray. Recognizing the close relationship, I would still like to learn the source of these neat little fossils. I always made the assumption that these came from rays.

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The White Queen  ".... in her youth she could believe "six impossible things before breakfast"

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