Sarahnm Posted June 22, 2022 Share Posted June 22, 2022 (edited) Hi there! I am super new to fossils and have been wanting to learn more. Today I found my first ever shark tooth by total accident on the San Lorenzo River in Felton, CA. I was wondering if anyone could help me identify the tooth! One of my students also found a thinner one in the same area yesterday- pretty wild!- and I was wondering if they were both the same species. My best super uneducated guess is some kind of mako shark but really have no idea! some extra details: both of them were sitting on the shore of the river in plain sight- I don’t have a measurement of them right now but can get one eventually! Thank you:) Edited June 22, 2022 by Sarahnm Adding more photos/details 1 Link to comment Share on other sites More sharing options...
doushantuo Posted June 22, 2022 Share Posted June 22, 2022 An identification key to elasmobranch species based on dental morphological characters. Part B: extant Lamniform sharks (Superorder Galeomorphii: Order Lamniformes). Jürgen Pollerspöck & Nicolas Straube bulletin of fish biology,v.19 1--06-2020 Pollerspöck-Straube-2019-An-identification-key-to-elasmobranch-genera-Bull-Fish-Biol-18-S.-77-105.pdf Link to comment Share on other sites More sharing options...
Al Dente Posted June 22, 2022 Share Posted June 22, 2022 Good chance that both are Carcharodon hastalis, but they might be too worn to know for certain. Link to comment Share on other sites More sharing options...
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