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drbush

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Hi friends, I went to Marrat formation area (toarcian) to the west of Riyadh and found many? Bivalves, they are of varies sizes, it is internal mold, what sp. Is it?

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Could be difficult, but have you googled for fossils of the Marrat formation?
Franz Bernhard

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Internal molds are very difficult to ID to species, as they lack identifying details.

You might get to Family, or Genus. 

Find/Look at a faunal list for the Marrat Formation.

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    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

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"In every walk with nature one receives far more than he seeks."

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