Shellseeker Posted June 17, 2019 Share Posted June 17, 2019 I am sifting with a 1/4 sieve in a layer of what I think is original ocean bottom (Florida). I found 2 small teeth that I thought were Mako and Sandtiger, but now I think neither is correct. The darker tooth without a pronounced nutrient grove is C. hastalis found years ago in the Peace River. Additional photos of Shark tooth #1 Additional photo of Shark tooth #2 The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
minnbuckeye Posted June 17, 2019 Share Posted June 17, 2019 Nice teeth!! Obviously I won't give you an ID. How are the rivers? Heard bad news?? We might be visiting my son next week. Will know in a couple of days for sure. Link to comment Share on other sites More sharing options...
Shellseeker Posted June 17, 2019 Author Share Posted June 17, 2019 1 hour ago, minnbuckeye said: Nice teeth!! Obviously I won't give you an ID. How are the rivers? Heard bad news?? We might be visiting my son next week. Will know in a couple of days for sure. Trouble , trouble.... Quote O the E-ri-e was a-rising fast And the gin was a-getting low. And I scarcely think we'll get a drink Till we get to Buff-a-lo-o-o The Peace River and associated creeks are up 2-3 feet.. which means a lot for the spots I dug last week... My hunting partner is check for low water spots AS I TYPE THIS to determine if we can go tomorrow... We might have to go to alternative hunting techniques... The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
DevonianDigger Posted June 17, 2019 Share Posted June 17, 2019 Grab the snorkels! Lol. Jay A. Wollin Lead Fossil Educator - Penn Dixie Fossil Park and Nature Reserve Hamburg, New York, USA Link to comment Share on other sites More sharing options...
The Jersey Devil Posted June 17, 2019 Share Posted June 17, 2019 The first tooth looks like a Negaprion lower and the second is some type of sand tiger. “You must take your opponent into a deep dark forest where 2+2=5, and the path leading out is only wide enough for one.” ― Mikhail Tal Link to comment Share on other sites More sharing options...
Al Dente Posted June 17, 2019 Share Posted June 17, 2019 I think the top tooth is a lower anterior dusky or bull shark tooth. Are there any serrations near the tip? Link to comment Share on other sites More sharing options...
Shellseeker Posted June 18, 2019 Author Share Posted June 18, 2019 1 hour ago, Al Dente said: I think the top tooth is a lower anterior dusky or bull shark tooth. Are there any serrations near the tip? What sharp eyes you have, Grandma!!!! .. and is that a Contortus type of curvature on the tip in the last photo? so, serrations and a curved tip --- what do you think? The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
Shellseeker Posted June 18, 2019 Author Share Posted June 18, 2019 2 hours ago, The Jersey Devil said: The first tooth looks like a Negaprion lower and the second is some type of sand tiger. There were a few other sandtigers (C. cuspidata??) but I thought the cusps of this tooth were different enough.. The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
The Jersey Devil Posted June 18, 2019 Share Posted June 18, 2019 Yeah, the first tooth is definitely a lower anterior Carcharhinus because of the serrations. “You must take your opponent into a deep dark forest where 2+2=5, and the path leading out is only wide enough for one.” ― Mikhail Tal Link to comment Share on other sites More sharing options...
The Jersey Devil Posted June 18, 2019 Share Posted June 18, 2019 2 hours ago, Shellseeker said: There were a few other sandtigers (C. cuspidata??) but I thought the cusps of this tooth were different enough.. Those are anteriors, the tooth in question is an upper lateral so the cusps will be different. I don’t know if the species is different or not. “You must take your opponent into a deep dark forest where 2+2=5, and the path leading out is only wide enough for one.” ― Mikhail Tal Link to comment Share on other sites More sharing options...
hemipristis Posted June 18, 2019 Share Posted June 18, 2019 12 hours ago, Shellseeker said: I am sifting with a 1/4 sieve in a layer of what I think is original ocean bottom (Florida). I found 2 small teeth that I thought were Mako and Sandtiger, but now I think neither is correct. The darker tooth without a pronounced nutrient grove is C. hastalis found years ago in the Peace River. Additional photos of Shark tooth #1 Additional photo of Shark tooth #2 I believe the top tooth is a lower tooth of one of the larger Carcharhinids (bull, dusky, galapagos etc). It most closely resembles the dusky, C. obscurus and Galapagos shark C. galapagensis., whose teeth are hard to tell apart. For comparison I've posted 4 photos below courtesy of elasmo.com. The black background are and the white background are C. galapagensis. Quote 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
hemipristis Posted June 18, 2019 Share Posted June 18, 2019 Here is the other (C. obscurus) 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Shellseeker Posted June 18, 2019 Author Share Posted June 18, 2019 Thanks to all who have responded. There seems to be seems to be some consensus on a lower anterior Carcharhinus (Tooth #1) and an upper lateral donated by a Carcharias .sp I appreciate the contribution of expertise. Jack The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
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