DeepTimeIsotopes Posted May 18, 2016 Share Posted May 18, 2016 (edited) Over the weekend I acquired some shark teeth that I would like to have ID'd. The teeth in the upper left are from Argentina which is about as much as I can tell you. The bottom right are from Sharktooth Hill in California. Edited May 18, 2016 by UtahFossilHunter Each dot is 50,000,000 years: Hadean............Archean..............................Proterozoic.......................................Phanerozoic........... Paleo......Meso....Ceno.. Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here Doesn't time just fly by? Link to comment Share on other sites More sharing options...
Al Dente Posted May 18, 2016 Share Posted May 18, 2016 Number 1 and 2 aren't from Argentina, they are Otodus from Morocco. Six and 7 are Cosmopolitodus planus, 5 is Cosmopolitodus hastilis (probably 4 too). Not sure where to put number 3. 1 Link to comment Share on other sites More sharing options...
Darktooth Posted May 18, 2016 Share Posted May 18, 2016 The teeth from Argentina look to me like otodus obligus. The ones from Bakersfield appear to be makos. Atleast two different species. I'm not sure the correct names. 1 I like Trilo-butts and I cannot lie. Link to comment Share on other sites More sharing options...
DeepTimeIsotopes Posted May 18, 2016 Author Share Posted May 18, 2016 Anybody have an idea on number 3? Each dot is 50,000,000 years: Hadean............Archean..............................Proterozoic.......................................Phanerozoic........... Paleo......Meso....Ceno.. Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here Doesn't time just fly by? Link to comment Share on other sites More sharing options...
jhw Posted May 18, 2016 Share Posted May 18, 2016 I'd say 3 is a lower tooth. If guessing I'd say young I. Hastilus. Link to comment Share on other sites More sharing options...
fossilselachian Posted May 19, 2016 Share Posted May 19, 2016 No.'s 1 & 2 are Otodus from Morocco (as others have stated) but also appear extensively restored Link to comment Share on other sites More sharing options...
DeepTimeIsotopes Posted May 19, 2016 Author Share Posted May 19, 2016 I'd say 3 is a lower tooth. If guessing I'd say young I. Hastilus. Thanks! ...but also appear extensively restored I thought they looked a little off. They were given to me so its of no consequence that they aren't all original. I still am quite fond of them. Thanks for the consensus. Each dot is 50,000,000 years: Hadean............Archean..............................Proterozoic.......................................Phanerozoic........... Paleo......Meso....Ceno.. Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here Doesn't time just fly by? Link to comment Share on other sites More sharing options...
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