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Arcullina
Taxonomy
Arcullina was named by Waterhouse (1986) [Sepkoski's age data: P m Sepkoski's reference number: 881]. Its type is Spirifer polaris.
It was assigned to Spiriferida by Sepkoski (2002); to Spiriferellinae by Waterhouse (2004); and to Spiriferellidae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); to Spiriferellinae by Waterhouse (2004); and to Spiriferellidae by Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Arcullina Waterhouse p. 4 |
| 2002 | Arcullina Sepkoski |
| 2004 | Arcullina Waterhouse |
| 2006 | Arcullina Williams et al. p. 1805 |
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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. †Arcullina Waterhouse 1986
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†Arcullina angiolinii Waterhouse 2004
†Arcullina barchatovae Waterhouse and Waddington 1982
†Arcullina editiareatus Einor 1939
†Arcullina kupangensis Beyrich 1865
†Arcullina mica Barchatova 1968
†Arcullina oblata Waterhouse 1978
†Arcullina polaris Wiman 1914
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Invalid names: Spiriferella digna Barchatova 1968 [synonym], Spiriferella timanica Barchatova 1970 [synonym]
†Arcullina qubuensis Zhang 1976
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 22.0 | 14.3 | 37.8 | 21.0 | 10.2 | |
| valve height | 4 | 16.0 | 13.7 | 20.1 | 15.5 | 2.75 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Sakmarian to the top of the Changhsingian or 293.52000 to 252.17000 Ma
Collections (64 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Russian Federation (Nenetsia) | A. mica (82825) | |
| Sakmarian | Russian Federation | A. mica (109087 110108) Spiriferella digna (101747 101748 101751 101754 101755 101759) Spiriferella mica (94994 95253 101750 101752 101753 101756 101758) | |
| Artinskian | Russian Federation | A. editiareatus (110104) | |
| Artinskian | Canada (Nunavut) | Spiriferella polaris (111866) | |
| Artinskian | Svalbard and Jan Mayen | Spiriferella polaris (212503) | |
| Kungurian | Svalbard and Jan Mayen | Spiriferella polaris (114081) | |
| Kungurian | Russian Federation | A. editiareatus (110032) A. polaris (110111) | |
| Kungurian | Oman | A. sp. (127506) | |
| Kungurian - Roadian | Oman | A. sp. (166924) | |
| Roadian - Wordian | Canada (Yukon) | Spiriferella editiareatus (61633) | |
| Roadian - Wordian | USA (California) | Spiriferella polaris (105662 105665 105666 105667 105668 105669 105671) | |
| Capitanian - Wuchiapingian | China (Xizang) | Spiriferella qubuensis (117771) | |
| Wuchiapingian | China (Xizang) | Spiriferella qubuensis (73597 73599) | |
| Wuchiapingian | Indonesia | Spirifer kupangensis (132776 132787) | |
| Lopingian | China (Xizang) | Spiriferella qubuensis (192075) | |
| Changhsingian | Nepal | A. angiolinii (62447 207296 207300 207333) Spiriferella oblata (43178 43187 43194 43195 43224 43254 43255 43257 43265 43282 43285 120490 120508 120520 120521 120522) | |
| Changhsingian | China (Xizang) | Spiriferella qubuensis (73600 73601 73602 73607 110495 117541) |