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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Buxtonia semicircularis
Taxonomy
Productus semicircularis was named by Sutton and Wagner (1931).
It was recombined as Buxtonia semicircularis by Sutton (1938).
It was recombined as Buxtonia semicircularis by Sutton (1938).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Productus semicircularis Sutton and Wagner p. 23 figs. pl. 5, figs. 20-22 |
| 1938 | Buxtonia semicircularis Sutton p. 564 figs. Plate 65, figure 1 |
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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.
†Buxtonia semicircularis Sutton and Wagner 1931
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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, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: Serpukhovian or 330.90000 to 323.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serpukhovian | USA (Oklahoma) | Buxtonia semicircularis (5611) |