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Showing results for tags 'opal bivalve'.
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Hi everyone, I have this opal bivalve for around a year now I think, but I didn't really bother to look for an ID before. But I recently ordered an opal belemnite so I am thinking on making some new ID cards and I would like to make one for this bivalve as well The bivalve was found in the Bulldog Formation,Coober Pedy, Australia (Early Cretaceous, 135 mya) I am not sure if the photo's are clear enough, but it is the typical bivalve you see often from Coober Pedy, just can't find anything on them. Thank you in advance!
Name: Opalised Bivalve Shell Age: 110 million years old Locality: Lightning Ridge, New South Wales, Australia Formation: Griman Creek Formation Length: 25mm Notes: This is an opalised bivalve shell from Australia. Unlike the marine shells from Coober Pedy, the other hotspot for opalised fossils in Australia, the shells from Lightning Ridge are less common and come from a freshwater river environment. This one is open, and clearly shows the ridged pattern of the shell it once was. A nice addition to my opal fossil collection.