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Protocalyptraea marshalli
Taxonomy
Protocalyptraea marshalli was named by Clarke (1894). It is not extant. Its type locality is Whetstone Brook, loc. 42, which is in a Frasnian marine shale/limestone in the Cashaqua Formation of New York.
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Protocalyptraea marshalli Clarke 1894
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Diagnosis
No diagnoses are available