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Protopilophyllum
Taxonomy
Protopilophyllum was named by Ivanovskiy (1963) [Sepkoski's age data: S Ldov-u S Wenl]. It is not extant.
It was assigned to Pycnostylidae by Hill (1981); to Amplexidae by Chen et al. (1997); and to Rugosa by Sepkoski (2002).
It was assigned to Pycnostylidae by Hill (1981); to Amplexidae by Chen et al. (1997); and to Rugosa by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1963 | Protopilophyllum Ivanovskiy |
1981 | Protopilophyllum Hill |
1997 | Protopilophyllum Chen et al. |
2002 | Protopilophyllum 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. †Protopilophyllum Ivanovskiy 1963
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Diagnosis
No diagnoses are available