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Archaeopyramisa concava
Taxonomy
Archaeopyramisa concava was named by Cheng (1986). It is not extant.
Synonymy list
Year | Name and author |
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1986 | Archaeopyramisa concava Cheng |
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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.
†Archaeopyramisa concava Cheng 1986
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Diagnosis
No diagnoses are available