baronvonkrug Posted May 31, 2016 Share Posted May 31, 2016 Hello, I would appreciate some help identifying this tooth from the cretaceous fossil beds of Big Brook, NJ. The tooth appears to be reptilian, I would assume crocodile or mosasaur (but seems too small). The cross section is almost circular and there are distinct carinae on both edges (180 degrees apart). Thanks! Link to comment Share on other sites More sharing options...
baronvonkrug Posted May 31, 2016 Author Share Posted May 31, 2016 A few more photos... Link to comment Share on other sites More sharing options...
njfossilhunter Posted May 31, 2016 Share Posted May 31, 2016 It appears to be a internal chamber mold of a Belemnite........And Welcome to the forum. TonyThe Brooks Are Like A Box Of Chocolates,,,, You Never Know What You'll Find. I Told You I Don't Have Alzheimer's.....I Have Sometimers. Some Times I Remember And Some Times I Forget.... I Mostly Forget. Link to comment Share on other sites More sharing options...
Fossildude19 Posted May 31, 2016 Share Posted May 31, 2016 I agree, it is a belemnite steinkern. Regards, Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
pinkus Posted May 31, 2016 Share Posted May 31, 2016 I believe it is called a phragmocone. The preservation on this one looks pretty different than most of mine but it definitely does look like one. Link to comment Share on other sites More sharing options...
frankh8147 Posted May 31, 2016 Share Posted May 31, 2016 Welcome to the forum! Yep, you've got a Belemnite phragmacone there. Link to comment Share on other sites More sharing options...
baronvonkrug Posted May 31, 2016 Author Share Posted May 31, 2016 Thanks! I didn't know about this part of the belemnite but it's quite clear to me now. Link to comment Share on other sites More sharing options...
Carl Posted May 31, 2016 Share Posted May 31, 2016 Agreed: belemnite phragmocone steinkern. Link to comment Share on other sites More sharing options...
Mike Pocock Posted May 31, 2016 Share Posted May 31, 2016 I also Agree belemnite phragmocone steinkern. Regards Mike Link to comment Share on other sites More sharing options...
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