jacob Posted April 8, 2015 Share Posted April 8, 2015 I've had this tooth in my collection since I was a young boy, it was purchased my a family member. I have no clue as to what species it is or where it comes from, though I presume it is from the states. Help would be very much appreciated thanks, Jacob. Link to comment Share on other sites More sharing options...
Fossildude19 Posted April 8, 2015 Share Posted April 8, 2015 (edited) Looks like a Hemipristis serra to me. Let's see what the tooth experts have to say. Regards, Edited April 8, 2015 by Fossildude19 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...
jcbshark Posted April 8, 2015 Share Posted April 8, 2015 Looks like an upper hemi : ) Every once in a great while it's not just a big rock down there! Link to comment Share on other sites More sharing options...
finderskeepers Posted April 8, 2015 Share Posted April 8, 2015 Agreed: Snaggletooth shark Hemipristis serra definitely upper and it sure looks similar to ones from across the pond east coast U.S. but I'm only judging by coloration and that is not very scientific at all. A nice tooth for any collection. Link to comment Share on other sites More sharing options...
jacob Posted April 8, 2015 Author Share Posted April 8, 2015 Hey, thanks guys! I had a look on black river fossils and thought it may have been a Hemi, just didn't want to jump to any conclusions as I'm no expert. Link to comment Share on other sites More sharing options...
Paleoc Posted April 13, 2015 Share Posted April 13, 2015 It's a Hemipristis serra (snaggletooth) from the East Coast USA, but exact location is a little harder to pin down. Link to comment Share on other sites More sharing options...
Diceros Posted April 19, 2015 Share Posted April 19, 2015 Yup, everyone's right - it's a left upper lateral tooth of the snaggletooth shark Hemipristis serra Agassiz, 1843, in lingual view. The lower teeth look very different, and are much narrower. Although H. serra ranges from the lt. Olig. to the lt. Pliocene, your tooth is most likely lt. Miocene. On the East Coast, most have been found in Maryland, North Carolina, and Florida. Oddly, the fossil shark H. serra was named almost 30 years before the modern H. elongatus (still living in the Indian Ocean today) was named. Link to comment Share on other sites More sharing options...
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