Rock36 Posted April 27, 2023 Share Posted April 27, 2023 My daughter found this slightly over 2 inch tooth diving off Venice Beach, Florida in March. Boat operator and I both immediately thought it was a hastalis (broad toothed mako/narrow white). However, now that I have been reading more on great white lineage and evolution, I’m wondering if it’s perhaps a plicatilis (giant white). Or…are those two actually the same? Any help appreciated…thank you! here’s the link that got me wondering: https://www.fossilguy.com/gallery/vert/fish-shark/giant-white/index.htm 1 Link to comment Share on other sites More sharing options...
ThePhysicist Posted April 27, 2023 Share Posted April 27, 2023 Extinct white shark naming and taxonomy is a can of worms. I don't believe C. plicatilis is widely used today as many authors consider it synonymous with C. hastalis, I personally refer to these white shark teeth as Carcharodon hastalis. 1 1 2 "Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan "I was born not knowing and have had only a little time to change that here and there." - Richard Feynman Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | Squamates | Post Oak Creek | North Sulphur River | Lee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone Instagram: @thephysicist_tff Link to comment Share on other sites More sharing options...
hemipristis Posted April 28, 2023 Share Posted April 28, 2023 9 hours ago, ThePhysicist said: Extinct white shark naming and taxonomy is a can of worms. 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
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