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Pycnocalyptra calyx
Taxonomy
Pycnocalyptra calyx was named by Schrammen (1937). It is not extant. It is the type species of Pycnocalyptra.
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Pycnocalyptra calyx Schrammen |
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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.
†Pycnocalyptra calyx Schrammen 1937
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Diagnosis
No diagnoses are available