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big brook nj id please


brad hinkelman

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I'm not an expert or anything, but the first one could be a lithified wood piece and the second one is definitely a shark tooth, not sure the species though. Looks Cenozoic (65mya-10,000 ya) to me.

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First looks like a rodent gnawed antler. 

Second is a sawfish rostral "tooth" or spine.

Not sure on the shark tooth species. 

Regards,

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    Tim    -  VETERAN SHALE SPLITTER

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The first piece looks like a bone that has been gnawed on by a rodent (or cretaceous equivalent.).

Second is a rostral spine from a sawfish.

Can not help with the tooth.

Tony

 

Fossildude19  beat Me again, argh.

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Darwin said: " Man sprang from monkeys."

Will Rogers said: " Some of them didn't spring far enough."

 

My Fossil collection - My Mineral collection

My favorite thread on TFF.

 

 

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3 minutes ago, Fossildude19 said:

First looks like a rodent gnawed antler. 

Second is a sawfish rostral "tooth" or spine.

Not sure on the shark tooth species. 

Regards,

thanks was hoping the second was a sawfish tooth.....thanks

 

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2 minutes ago, ynot said:

The first piece looks like a bone that has been gnawed on by a rodent (or cretaceous equivalent.).

Second is a rostral spine from a sawfish.

Can not help with the tooth.

Tony

 

Fossildude19  beat Me again, argh.

awesome thanks tony

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Don't quote me on this, but I believe the shark tooth is from the longtooth tiger shark, Galeocerdo contortus , because of the "bump" in the middle of it.

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Brightened and cropped the pics a bit.

 

100_5451.JPG.4c9d2340755c39db629e6d81a1747599.JPG    100_5450.JPG.5feace94f0b98dcc9b84e904580d3a5c.JPG   100_5452.JPG.f223a8758c94e3299843df93642b67e5.JPG

 

This website is helpful for identifying shark teeth from New Jersey. 

Regards,

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    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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  • 3 weeks later...

Nice find...here is another interesting bone from NJ in the thread Probably A Soup Bone (?) But Really Heavy...preservation is very similar to yours. :)

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On 1/28/2017 at 8:02 PM, Al Dente said:

The shark tooth is Protolamna borodini.

I agree with Protolamna borodini, this species is small and usually slips thru the 1/4 inch screening most people use. I enjoy collecting the smaller material and many times employ a second sift of window screening.  You'll find a fair amount of Protolamna borodini teeth with the finer meshed screening.

john 

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It's good sportsmanship to not pick up lost golf balls while they are still rolling. - Mark Twain

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