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Pentaphyllum
Taxonomy
Pentaphyllum was named by de Koninck (1872) [Sepkoski's age data: D Fame-m P Dora Sepkoski's reference number: 798,1086]. It is not extant.
It was synonymized subjectively with Cryptophyllum by Hill (1956).
It was assigned to Rugosa by Sepkoski (2002); to Stauriida by Fedorowski (2009); and to Pentaphyllinae by Hill (1981) and Fedorowski (2021).
It was synonymized subjectively with Cryptophyllum by Hill (1956).
It was assigned to Rugosa by Sepkoski (2002); to Stauriida by Fedorowski (2009); and to Pentaphyllinae by Hill (1981) and Fedorowski (2021).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Pentaphyllum de Koninck |
| 1981 | Pentaphyllum Hill |
| 2002 | Pentaphyllum Sepkoski |
| 2009 | Pentaphyllum Fedorowski p. 576 |
| 2021 | Pentaphyllum Fedorowski pp. 421 - 422 |
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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. †Pentaphyllum de Koninck 1872
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†Pentaphyllum antractum Iljina 1965
†Pentaphyllum breviseptum Ilina 1962
†Pentaphyllum cuneatum Ilina 1962
†Pentaphyllum excentricum Ilina 1962
†Pentaphyllum permicum Ilyina 1997
†Pentaphyllum subcylindricum Schindewolf 1942
Diagnosis
No diagnoses are available