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Clawish Big shell or what?


Gully.moy

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Found in a rock pool on Yaverland beach, Isle of Wight. I don’t know anything about the local geology but the encasing rock is dark grey, quite hard with a texture similar to concrete. I collected it because it looked clawish and a geologist who happened to come by said it looked dinosaury, though palaeontology isn’t his field! There’s no honeycomb in the cross-sections so I think it looks most like part of a big shellfish, but am clueless really. Any ideas?

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It's a nice example of Mulletia mulleti. Formerly in the genus Perna  (also Isognomon) and I guess it's from the Perna Bed in the Atherfield Clay (Lower Greensand).

 

Most images are under the old name: 

Perna mulleti

  • I found this Informative 6

Tarquin

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  • 3 weeks later...

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