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Showing results for tags 'isurus retroflexus'.
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Isurus retroflexus is from the Miocene-Pliocene epochs. While the vast majority of what I find in this particular location is Miocene-Pliocene in age and is likely to have come from the Goose Creek Limestone formation (early-mid Pliocene), we can't rule out the possibility that it came from an overlying lag deposit called the Ten Mile Hill Formation. The Ten Mile Hill Formation is mid-Pleistocene and can be found overlying older formations in the area. Since Miocene-Pliocene fossils have been found in the base of the Ten Mile Hill Formation and this tooth was ex-situ, the formation is undet
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- south carolina
- shark
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After I remarked that the little tooth below (found on Morris Island, South Carolina) looked interesting on his trip report thread, forum member @Family Fun kindly gifted it to me, asking only that I help identify the species and share the result. My assessment is that this is an Isurus retroflexus posterior tooth, but hopefully others here can either confirm or correct that ID. This tooth has a non-serrated crown that is still fairly sharp and to my eyes at least has the raised labial platform indicative of I. retroflexus. There is a single cusplet on one side. Thanks for your hel
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- isurus retroflexus
- tooth
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Found between Plum Point and Parker’s Creek. It is an upper anterior. Isurus retroflexus may be conspecific with Isurus paucus. Not found in situ.
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- isurus
- isurus paucus
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