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Spirostylus
Taxonomy
Spirostylus was named by Kittl (1894) [Sepkoski's age data: Tr Anis-m Tr Nori Sepkoski's reference number: 674,797].
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Spirostylidae by Bouchet et al. (2005) and Nützel and Kaim (2014).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Spirostylidae by Bouchet et al. (2005) and Nützel and Kaim (2014).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Spirostylus Kittl p. 197 |
| 2002 | Spirostylus Sepkoski |
| 2005 | Spirostylus Bouchet et al. p. 161 |
| 2014 | Spirostylus Nützel and Kaim p. 419 |
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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. †Spirostylus Kittl 1894
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†Spirostylus acus Kittl 1894
†Spirostylus acutestriatus Stoppani 1857
†Spirostylus agilis Stoppani 1858
†Spirostylus beneckei Kittl 1894
†Spirostylus brevior Kittl 1894
†Spirostylus columnaris Münster 1841
†Spirostylus contractus Kittl 1894
†Spirostylus linctus Böhm 1895
†Spirostylus longobardicus Kittl 1899
†Spirostylus porrectus Böhm 1895
†Spirostylus retroscalatus Kittl 1894
†Spirostylus subcolumnaris Münster 1841
†Spirostylus subcontractus Kittl 1894
†Spirostylus terebra Klipstein 1843
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 26.5 | 16.2 | 65.7 | 21.8 | 23.2 |
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| Source: superf = superfamily, o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Induan | China (Sichuan) | S. sp. (119267) | |
| Olenekian - Anisian | Jordan (Janoobiah) | S. sp. (201986) | |
| Anisian | China (Sichuan) | S. linctus (119273) | |
| Bithynian | China (Xizang) | S. sp. (110244) | |
| Pelsonian - Illyrian | China (Guizhou) | S. subcolumnaria (44248) S. subcolumnaris (31618 31619 31620 31622 31623 31631) | |
| Ladinian | Italy | S. sp., Omphaloptycha lincta, Omphaloptycha porrecta (138255) | |
| Carnian | Italy | S. retroscalatus (164208) | |
| Carnian | Hungary (Bakony) | S. subcolumnaris (203199 203210) S. subcolumnaris, S. porrectus (203197) | |
| Julian | Italy | Melania subcolumnaris, Melania columnaris (137429) S. brevior (163815 163816 163817) S. contractus, S. columnaris (144633) S. subcolumnaris (69650 69656 144634) S. subcolumnaris, S. beneckei, S. columnaris, S. acus, S. terebra, S. brevior (144631) S. subcolumnaris, S. brevior (163818) | |
| Julian | Italy (Belluno) | S. brevior (207502) | |
| Norian | China (Yunnan) | S. beneckei (165418) | |
| Sevatian | USA (Idaho) | S. sp. (38377) | |
| Sevatian | Iran | S. subulitoides (37959) | |
| Rhaetian | Peru | S. sp. (68096) |