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Rigbyella
Taxonomy
Rigbyella was named by Stehli (1956) [Sepkoski's age data: P Leon-m P Guad-u Sepkoski's reference number: 7,403]. It is the type genus of Rigbyellidae.
It was assigned to Rigbyellidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Rigbyellidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Rigbyella Stehli p. 310 |
| 2000 | Rigbyella Williams et al. p. 638 |
| 2002 | Rigbyella 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. †Rigbyella Stehli 1956
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†Rigbyella crassa Grant 1976
†Rigbyella girtyi Wanner and Sieverts 1935
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Thailand (Trang) | R. crassa (40869 40870 40871 40872 40874 40878 40879 40899) | |
| Wordian | USA (Texas) | R. girtyi (105896) | |
| Capitanian | USA (New Mexico) | R. girtyi (81629) | |
| Capitanian | USA (Texas) | Leptodus americanus (108801) R. girtyi (81609 101798 101809 102618 105893) |