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Stewartina convexa
Taxonomy
Pseudoschwagerina convexa was named by Thompson (1954).
It was recombined as Stewartina convexa by Stevens and Stone (2007).
It was recombined as Stewartina convexa by Stevens and Stone (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Pseudoschwagerina convexa Thompson p. 75 figs. Pl 44, figs 1-4; pl 51, figs 1-8 |
| 2006 | Pseudoschwagerina convexa Wilde p. 83 figs. Pl 93, figs 1-5; pl 97, figs 6-11 |
| 2007 | Stewartina convexa Stevens and Stone |
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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.
†Stewartina convexa Thompson 1954
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Loeblich and Tappan 1984, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | USA (California) | Stewartina convexa (129056 129066 129160 129161 129162 129166) | |
| Artinskian | USA (Texas) | Pseudoschwagerina convexa (81616 131725 131726) | |
| Artinskian | USA (California) | Stewartina convexa (129067) |