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Polytryphocycloides depressus
Taxonomy
Cyclocystoides depressus was named by Billings (1858).
It was recombined as Polytryphocycloides depressus by Smith and Paul (1982).
It was recombined as Polytryphocycloides depressus by Smith and Paul (1982).
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Cyclocystoides depressus Billings p. 88 |
| 1982 | Polytryphocycloides depressus Smith and Paul |
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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.
†Polytryphocycloides depressus Billings 1858
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Diagnosis
No diagnoses are available