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Scaphellina
Taxonomy
Scaphellina was named by Newell and Ciriacks (1962) [Sepkoski's age data: P Leon-u P Guad-u].
It was assigned to Trigonioida by Sepkoski (2002); and to Scaphellinidae by Newell and Ciriacks (1962) and Bouchet et al. (2010).
It was assigned to Trigonioida by Sepkoski (2002); and to Scaphellinidae by Newell and Ciriacks (1962) and Bouchet et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Scaphellina Newell and Ciriacks p. 2 |
| 2002 | Scaphellina Sepkoski |
| 2010 | Scaphellina Bouchet et al. |
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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.
G. †Scaphellina Newell and Ciriacks 1962
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†Scaphellina concinna Branson 1930
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Invalid names: Scaphellina bradyi Newell and Ciriacks 1962 [synonym], Scaphellina phosphoriensis Branson 1930 [synonym]
†Scaphellina praeobscurus Guskov 1984
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 36.3 | - | - | - | - | |
| valve height | 13 | 35.1 | 15.4 | 46.4 | 39.5 | 8.96 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Capitanian or 279.30000 to 259.51000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Leonardian | USA (Wyoming) | S. concinnus (11231) | |
| Leonardian | USA (Utah) | S. sp. (11272) | |
| Leonardian | USA (Idaho) | S. sp. (11286) | |
| Kungurian | Russian Federation | S. praeobscurus (81145 113948) | |
| Kungurian | USA (Wyoming) | S. bradyi (81512) S. phosphoriensis (125755) Schizodus concinnus (87155) | |
| Kungurian | USA (Arizona) | S. bradyi (115796) S. concinna (94885) | |
| Capitanian | USA (Montana) | S. phosphoriensis (83005 105345) | |
| Wuchiapingian | USA (Wyoming) | S. phosphoriensis (11228 105366) | |
| Wuchiapingian | USA (Montana) | S. phosphoriensis (105338) | |
| Lopingian | USA (Wyoming) | Schizodus phosphoriensis (105344) |