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    Ichthyosaur anterior dorsal vertebra


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    Images:

    JohnBrewer
    • The two elongated fossils either side of the vertebra I think are fish spines. They don't seem to fit the anatomy of ichthyosaur ribs. Further prep would confirm either way but would be destructive to the block.

       

      Lit: De La Beche & Conybeare (1821),  Conybeare (1822), Owen (1840, 1851, 1881, 1849-84), McGowan & Motani (2003)

    Taxonomy

    Ichthyosaur

    Kingdom: Animalia
    Phylum: Chordata
    Class: Reptilia
    Order: Ichthyopterygia
    Family: Ichthyosauridae
    Genus: Ichthyosaurus
    Species: Ichthyosaurus sp.

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Epoch: Early

    Stratigraphy

    lower Jurassic sediments

    Provenance

    Collector: John Brewer
    Acquired by: Field Collection

    Location

    black Ven
    Charmouth/Lyme Regis
    Dorset
    United Kingdom

    Comments

    The two elongated fossils either side of the vertebra I think are fish spines. They don't seem to fit the anatomy of ichthyosaur ribs. Further prep would confirm either way but would be destructive to the block.

     

    Lit: De La Beche & Conybeare (1821),  Conybeare (1822), Owen (1840, 1851, 1881, 1849-84), McGowan & Motani (2003)

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