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Pseudoschwagerina gerontica
Taxonomy
Pseudoschwagerina gerontica was named by Dunbar and Skinner (1937).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Pseudoschwagerina gerontica Dunbar and Skinner p. 660 figs. Pl 51, figs 1-6 |
| 1954 | Pseudoschwagerina gerontica Thompson p. 76 figs. Pl 50, fig 7; pl 52, figs 7-10 |
| 1978 | Pseudoschwagerina gerontica Leven and Shcherbovich p. 115 figs. Pl 15, fig 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.
†Pseudoschwagerina gerontica Dunbar and Skinner 1937
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Kiessling 2004, Loeblich and Tappan 1984 | |||||
Age range: base of the Asselian to the top of the Artinskian or 298.90000 to 279.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Tajikistan | Pseudoschwagerina gerontica (130568) | |
| Sakmarian | USA (California) | Pseudoschwagerina gerontica (129049) | |
| Artinskian | USA (Texas) | Pseudoschwagerina gerontica (131449) |