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Periommella
Taxonomy
Periommella was named by Resser (1938) [Sepkoski's age data: Cm Tojo]. It is not extant.
It was assigned to Ptychopariidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Ptychopariidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Periommella Resser |
| 2002 | Periommella Jell and Adrain p. 424 |
| 2002 | Periommella Sepkoski |
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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.
G. †Periommella Resser 1938
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Diagnosis
No diagnoses are available