SharkySarah Posted October 23, 2020 Share Posted October 23, 2020 Going through my collection and trying to put a name to these. All from the Calvert formation. Please note the numbers on the paper identify the different teeth. Link to comment Share on other sites More sharing options...
PaleoNoel Posted October 23, 2020 Share Posted October 23, 2020 Aside from 17 which is Physogaleus contortus, the rest appear to be Carcharhinus sp. (one of the many species of requiem sharks), although the unserrated triangular ones could be from Lemon sharks (Negaprion) (26 & 25 maybe). 24 looks like a posterior tooth of some variety, maybe carcharhinus as well but I'm not sure. 1 Link to comment Share on other sites More sharing options...
bthemoose Posted October 24, 2020 Share Posted October 24, 2020 I would say 24 also looks like Physogaleus contortus with most of the crown broken off. Link to comment Share on other sites More sharing options...
fossilsonwheels Posted October 24, 2020 Share Posted October 24, 2020 It can be very tricky to ID Carcharhinus teeth, at least for me. Close ups and a good size reference help. Link to comment Share on other sites More sharing options...
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