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Erismodus quadridactylus
Taxonomy
Chirognathus quadridactylus was named by Stauffer (1935).
It was recombined as Erismodus quadridactylus by Sweet (1982).
It was recombined as Erismodus quadridactylus by Sweet (1982).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Chirognathus quadridactylus Stauffer p. 138 figs. Pl. 9, fig. 35 |
| 1973 | Trichonodella prominens Moskalenko p. 83 figs. Pl. 14, figs. 6-9. |
| 1982 | Erismodus quadridactylus Sweet pp. 103 - 104 figs. P1. 1, figs. 25-30 |
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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.
†Erismodus quadridactylus Stauffer 1935
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Invalid names: Trichonodella prominens Moskalenko 1973 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Early/Lower Llandeilo to the top of the Franklinian or 461.10000 to 449.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Llandeilo | Russian Federation (Siberia) | Trichonodella prominens (9295 9299) | |
| Blackriveran - Shermanian | USA (Minnesota) | Erismodus quadridactylus (23295 23298) | |
| Franklinian | USA (Colorado) | Erismodus quadridactylus (155756) |