RescueMJ Posted March 7, 2021 Share Posted March 7, 2021 Inland Venice, FL. Typical Pleistocene material in spoil pile. First possible shark vertebrae I have found after hundreds of searches here. 5 cm diameter, 2 cm thick. Is it shark? Can an age/species able to be determined with only 1 vert? I also found (6) Lightning Whelk shells in this pile. thanks -Michael 1 Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted March 7, 2021 Share Posted March 7, 2021 Very nice! Yes, I believe that is a shark centrum (singular; centra is plural) Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Thomas.Dodson Posted March 7, 2021 Share Posted March 7, 2021 It is a shark or ray centrum but the differences between the the two are ambiguous. Here's an old thread that discusses the difficulty differentiating ray and shark verts in detail. Age would best be estimated by other fossils from the spoil pile. It's not exact with spoil piles because of mixed dredging but still. Sinistrofulgur (Busycon) perversum dates at latest to Plio-Pleistocene. Link to comment Share on other sites More sharing options...
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