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Petronella
Taxonomy
Petronella was named by Birenheide (1965) [Sepkoski's age data: D Eife]. It is not extant.
It was assigned to Metriophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Metriophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
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.
G. †Petronella Birenheide 1965
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Diagnosis
No diagnoses are available