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Riograndella
Taxonomy
Riograndella was named by Kobayashi (1937) [Sepkoski's age data: O]. It is not extant.
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Archaeorthidae by Williams et al. (2007).
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Archaeorthidae by Williams et al. (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Riograndella Kobayashi |
| 2000 | Riograndella Williams et al. p. 745 |
| 2002 | Riograndella Sepkoski |
| 2007 | Riograndella Williams et al. p. 2690 |
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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. †Riograndella Kobayashi 1937
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available