Prg84 Posted March 18 Share Posted March 18 These were found on my property on the river just south of Arcadia. I have absolutely no clue what these are. Everything else I was able to identify. The smaller tooth I found is the first one I've found that is that curved. The larger tooth is unique to me because of the fact that it is concave, which I tried to show in the pictures. Finally the mammal tooth I have had trouble figuring out. Maybe baby mammoth? Thanks in advance guys! 1 Link to post Share on other sites
Harry Pristis Posted March 18 Share Posted March 18 Hemipristis anterior Mako, Cosmopolitodus (Carcharodon) hastalis Mammoth tooth fragment. 3 1 Link to post Share on other sites
Parker Brown Posted March 19 Share Posted March 19 The mammoth tooth looks a little like a spit tooth to me. From what I know it is when the tooth gets so grounded down from eating that the mammoth ends up "spitting" it out. I am 90% sure that this is what that is but if someone could just double check my assumption that would be great! 1 Link to post Share on other sites
Shellseeker Posted March 19 Share Posted March 19 I found one a decade ago: Hemipristis serra symphyseal tooth. You can see them in a modern Snaggletooth jaw here http://www.thefossilforum.com/index.php?/topic/61407-extant-hemipristis-elongatus-snaggletooth-shark-jaw/ Here is a good thread on Mammoth spit tooth: http://www.thefossilforum.com/index.php?/topic/108951-mammoth-milkjuvenile-tooth/ 1 1 Link to post Share on other sites
Prg84 Posted March 19 Author Share Posted March 19 Wow! Thanks guys! I was super excited when I found the mammoth tooth as it's my first one. I was betting the larger tooth I posted was a Giant White (Carcharodon plicatilis) by looking at different pictures. What's the main way to discern the difference between that and the mako? Link to post Share on other sites
Shellseeker Posted March 19 Share Posted March 19 20 minutes ago, Prg84 said: Wow! Thanks guys! I was super excited when I found the mammoth tooth as it's my first one. I was betting the larger tooth I posted was a Giant White (Carcharodon plicatilis) by looking at different pictures. What's the main way to discern the difference between that and the mako? Serrations: 1 Link to post Share on other sites
Sagebrush Steve Posted March 19 Share Posted March 19 18 hours ago, Prg84 said: These were found on my property on the river just south of Arcadia. I have absolutely no clue what these are. Everything else I was able to identify. The smaller tooth I found is the first one I've found that is that curved. The larger tooth is unique to me because of the fact that it is concave, which I tried to show in the pictures. Finally the mammal tooth I have had trouble figuring out. Maybe baby mammoth? Thanks in advance guys! We should ask the US Mint to print scales on the edges of dollar bills: inches on top, metric on the bottom. It is unused space right now anyway. 4 1 Link to post Share on other sites
Shellseeker Posted March 19 Share Posted March 19 1 hour ago, Shellseeker said: I was betting the larger tooth I posted was a Giant White (Carcharodon plicatilis) Hmmm, when you are really old like me, I sometimes adopt names for stuff that is changed after I adopt it.. I have to go back comparing the ones that I found to this table from Fossilguy. I have often wondered about this one... lots of different root shapes Link to post Share on other sites
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