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Rhipidium (Pararhipidium)
Taxonomy
Pararhipidium was named by Boucot and Johnson (1979) [Sepkoski's age data: S Wenl-u S Ludl Sepkoski's reference number: 25,538]. It is not extant.
It was reranked as Rhipidium (Pararhipidium) by Williams et al. (2002).
It was assigned to Rhipidium by Williams et al. (2002); and to Pentamerida by Sepkoski (2002).
It was reranked as Rhipidium (Pararhipidium) by Williams et al. (2002).
It was assigned to Rhipidium by Williams et al. (2002); and to Pentamerida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Pararhipidium Boucot and Johnson |
| 2002 | Pararhipidium Sepkoski |
| 2002 | Rhipidium (Pararhipidium) Williams et al. p. 983 |
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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.
Subg. †Rhipidium (Pararhipidium) Boucot and Johnson 1979
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†Rhipidium (Pararhipidium) filicostatum Boucot et al. 1988
Diagnosis
No diagnoses are available