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Rigauxia
Taxonomy
Rigauxia was named by Brice (1988) [Sepkoski's age data: D Fras-m Sepkoski's reference number: 881]. It is not extant.
It was assigned to Spiriferida by Sepkoski (2002); and to Echinospiriferidae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Echinospiriferidae by Williams et al. (2006).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Rigauxia Brice |
| 2002 | Rigauxia Sepkoski |
| 2006 | Rigauxia Williams et al. p. 1714 |
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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. †Rigauxia Brice 1988
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Diagnosis
No diagnoses are available