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Extraordinary Common Teeth

isurus90064

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isurus90064 Regular Member

isurus90064

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Pelagiarctos thomasi

 

Top row, left to right:

 

~1.29" - 3.28cm

~1.51" - 3.84cm

~1.39" - 3.53cm

~1.48" - 3.76cm

 

Bottom row, left to right:

 

~1.38" - 3.51cm

~1.88" - 4.78cm

~1.38" - 3.51cm

~1.63" - 4.14cm

~1.78" - 4.52cm

 

"Sharktooth Hill"

~15.5 Ma

Middle Miocene

Roundmountain Silt

Bakersfield, Kern County

CA

 

Roundmountain Silt ages:

~15.5-16.3 Ma - Roundmountain Silt strontium-isotope ages (Olson, 1988)

~14.0-15.5 Ma - Roundmountain Silt Luisian benthic foraminiferal fauna (Barron and Isaacs, 2001; Prothero, 2001)

~15.0-16.0 Ma - Roundmountain Silt Denticulopsis lauta A zone diatoms (Barron, 1981; Barron, in Bartow and McDougall, 1984)

~14.5-16.1 Ma - magnetic stratigraphy for the Roundmountain Silt (Prothero, Sanchez, and Denke, 2008)

~15.2-16.0 Ma - magnetic stratigraphy for the middle section of the Roundmountain Silt that includes the bonebed (Prothero, Sanchez, and Denke, 2008)

~15.5 Ma - magnetic stratigraphy for the bonebed itself (Prothero, Sanchez, and Denke, 2008)

~14.5-16.1 Ma - best correlation for the Roundmountain Silt (Prothero, Sanchez, and Denke, 2008)

 

 

IMG_9547.thumb.jpg.479d4672a34332f2fcb7e367ccdeaac4.jpgIMG_9548.thumb.jpg.f8613c8c1f0b04c6113c8c349c1372ce.jpg

Fossil shark teeth from all over:

http://www.thefossilforum.com/index.php?/topic/2380-extraordinary-common-teeth/

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isurus90064 Regular Member

isurus90064

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This would likely have been the largest of the lot, but unfortunately it's not all there.

 

Pelagiarctos thomasi canine

 

~" - cm

 

"Sharktooth Hill"

~15.5 Ma

Middle Miocene

Roundmountain Silt

Bakersfield, Kern County

CA

 

IMG_9581.thumb.jpg.7096fe3a3fa0289c52cd87e1a169d1e5.jpgIMG_9583.jpg.676314e7563fbb242ca988490d62f6ca.jpgIMG_9586.thumb.jpg.5e5c41913d12aaea5efe05eda553a66a.jpgIMG_9588.thumb.jpg.0a53352be46bb8d5220c643c56fceb84.jpg

Fossil shark teeth from all over:

http://www.thefossilforum.com/index.php?/topic/2380-extraordinary-common-teeth/

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isurus90064 Regular Member

isurus90064

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On 1/18/2019 at 5:31 AM, Vieira said:

In Portugal it's very rare find Megalodon teeth.

 

Unfortunately the size and the state of conservation are not very good.

 

Over the years I have been finding some.

 

IMG_3518.thumb.JPG.7eccaa3ce7c1c308c1b075b43e7068f8.JPG

 

 

Beautiful collection of Portuguese teeth, thanks for posting!

Fossil shark teeth from all over:

http://www.thefossilforum.com/index.php?/topic/2380-extraordinary-common-teeth/

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isurus90064 Regular Member

isurus90064

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On 2/15/2019 at 10:06 PM, siteseer said:

Here is a Carcharocles auriculatus I bought in the early 90's.  It's from the mid-late Eocene of Vlierzele, Belgium.  What's unusual about it is that it is rather large for the species from that site and teeth that large tend to stay in local collections. 

 

This tooth was in the collection of an American collector, Sparky Johnson, well-known in some circles in the 80's and before.  I never met him.  He passed away sometime around 1990 and his collection was sold with collector, George Lee buying some of his shark teeth.  George wasn't much of a shark tooth collector (he was heavy into Badlands and tar pit mammals) so he was looking to resell.  He showed me a Parotodus from the Sharktooth Hill Bonebed, a rather large (2-inch plus) great white from Milnerton, South Africa, some near-complete Carcharocles angustidens from New Zealand, and this C. auriculatus.  Normally, I would have tried to make a deal for the Parotodus because I'm a Sharktooth Hill kind of guy but I recognized the auriculatus as the "weird tooth" in the group.  It was bigger than any I'd ever seen for sale or been offered in trade.  If you look at the labial face, you see marks and even depressions where mollusks or other drilling invertebrate had attached and/or started to drill into it.  I ended up having enough money to buy this tooth and the Milnerton great white because I hadn't seen one from there before.

 

vlier_auric1a.jpg

vlier_auric1b.jpg

 

Great location, don't think I have anything from there.

Fossil shark teeth from all over:

http://www.thefossilforum.com/index.php?/topic/2380-extraordinary-common-teeth/

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Vieira Regular Member

Vieira

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24 minutes ago, isurus90064 said:

 

 

Beautiful collection of Portuguese teeth, thanks for posting!

 

Thank you. I changed the exhibition of my portuguese teeth. Soon I will share.

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isurus90064 Regular Member

isurus90064

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Pulling out some Belgians, been going through my collection and running into some old stuff, some traded, some self-collected.

 

Otodus auriculatus

 

" - cm

 

Lutetian, Eocene

Lede Sand Formation
Oosterzele

Belgium

 

IMG_9606.jpg.e354f8e0253670c99c2a586d45109b8d.jpgIMG_9607.jpg.c2e99fc8fc092f9ec1da6c23291c369a.jpg

Fossil shark teeth from all over:

http://www.thefossilforum.com/index.php?/topic/2380-extraordinary-common-teeth/

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