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Paralenorthis marshalli
Taxonomy
Orthis marshalli was named by Wilson (1926).
It was recombined as Orthambonites marshalli by Ross (1970); it was recombined as Paralenorthis marshalli by Jaanusson and Bassett (1993).
It was recombined as Orthambonites marshalli by Ross (1970); it was recombined as Paralenorthis marshalli by Jaanusson and Bassett (1993).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Orthis marshalli Wilson pp. 24 - 25 figs. pl. 5 figs. 1-6 |
| 1970 | Orthambonites marshalli Ross pp. 54 - 55 figs. Plate 3, figures 4-19; plate 4, figures 1-3 |
| 1993 | Paralenorthis marshalli Jaanusson and Bassett p. 36 |
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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.
†Paralenorthis marshalli Wilson 1926
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Rangerian or 471.30000 to 470.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenigian - Llanvirn | Canada (Northwest Territories) | Orthambonites marshalli (25283) | |
| Rangerian | USA (California) | Orthambonites marshalli (104305) | |
| Rangerian | USA (Nevada) | Paralenorthis marshalli (104429 104430) | |
| Rangerian - Whiterockian | USA (California) | Orthambonites marshalli (104640) |