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968 Views 2 Replies Last post: Feb 22, 2012 8:54 PM by archzoo RSS
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Jan 28, 2012 9:15 PM

Vertebral bone, found on Florida Gulf of Mexico beach

This vertebra has a bulb-like (hollow) structure on the ventral surface.  Not sure what type of bone it is, seems solid like a marine mammal, but not sure.  Any idea of the type of animal it came from, or of the possible function of the bulb-like structure?
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  • Hi, I'm no expert, but it looks like a fish vertebra to me with an unusual bulbous haemal spine.  Looks fairly distinctive though, so I'm sure someone will have a better idea than me.

    Al

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      Feb 22, 2012 8:54 PM (in response to quagga)
      Re: Vertebral bone, found on Florida Gulf of Mexico beach
      Hi, not sure of species but it may well be a Jack - family Carangidae.  Several species in the family have these swollen spines, jury is still out as to exactly why, and why some species and not others. Some have this hyperostosis in the head as well.  Some people call them Tilly bones, and I have seen them called 'mice' (depending on the type if they break off you get a blob and a tail!).
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