Bivalue Jurassic Clam Plagiostoma giganteum twin specimen C Lavernock Point S Wales 190 Million years 8cm length 350gms

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Bivalue Jurassic marine Clam Plagiostoma giganteum Twin specimen C Lavernock Point Glamorganshire South Wales Coast 190 Million years Lower Lias 8cm length x 6cm width approx 350gms.

Both shells polished. A complete side and a part side. A very interesting specimen.