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Rastellum carinatum mm 59 Shell Fossil Oyster Bivalve Cretaceous (4)

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12,60
  • Product Code: F22489
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Description

Origin : Madagascar (Tulear)

Geological era : Late Cretaceous (Cenomanian)

Age : 100-94 million of years

Size : 34 gr - cm 5.9 x 1.5


Fossil Bivalves Oyster Sea Shell Cretaceous Madagascar cm 5.9 x 1.5 - gr 34 Rastellum carinatum. The Seashell Fossil you will receive is the one of the Photo.

This oyster Upper Cretaceous, typical of the fossil beds of Madagascar, is characterized by the valves long and curved, with the massive coastline crossing the upper valve. The slanted edges have been baptized "clam notched". The zig-zag of the rhyme between the two shells, when they were united, contributed to filter the coarse dirt and debris that could enter inside the shell damaging the mollusk. How modern oysters, Rastellum (Arctostrea) carinatum lived in shallow coastal waters, including the intertidal zone (the area between the high and low tide) and fed with food particles filtered seawater.



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