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Rigbyella girtyi
Taxonomy
Paralyttonia girtyi was named by Wanner and Sieverts (1935). It is not a trace fossil. Its type locality is USGS 2906 green, Butterfield Trail, Guadalupe Mountains, which is in a Capitanian reef, buildup or bioherm limestone in the Capitan Formation of Texas.
It was recombined as Rigbyella girtyi by Stehli (1956), Cooper and Grant (1974).
It was recombined as Rigbyella girtyi by Stehli (1956), Cooper and Grant (1974).
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Paralyttonia girtyi Wanner and Sieverts |
| 1956 | Rigbyella girtyi Stehli p. 310 |
| 1974 | Rigbyella girtyi Cooper and Grant p. 450 figs. Pl 182, figs 1-30 |
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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.
†Rigbyella girtyi Wanner and Sieverts 1935
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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 Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Rigbyella girtyi (105896) | |
| Capitanian | USA (New Mexico) | Rigbyella girtyi (81629) | |
| Capitanian | USA (Texas) | Leptodus americanus (type locality: 108801) Rigbyella girtyi (81609 101798 101809 102618 105893) |