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Which commonly occurring fossil is a bivalve?

a. coral
b. crinoid
c. pectinoid
d. bryozoan

User Aldasa
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1 Answer

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The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
User Damian SIlvera
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