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Arcticalosia
Taxonomy
Arcticalosia was named by Waterhouse (1986) [Sepkoski's age data: P Sepkoski's reference number: 881]. Its type is Wyndhamia unispinosa.
It was assigned to Dasyalosiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Dasyalosiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Arcticalosia Waterhouse p. 2 |
| 2000 | Arcticalosia Williams et al. p. 570 |
| 2002 | Articalosia Sepkoski |
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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. †Arcticalosia Waterhouse 1986
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†Arcticalosia colemani Archbold 1987
†Arcticalosia multispinifera Prendergast 1943
†Arcticalosia unispinosa Waterhouse 1969
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 19.4 | 17.6 | 23.3 | 17.7 | 3.26 | |
| valve height | 5 | 9.29 | 3.99 | 21.2 | 7.56 | 8.23 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Williams et al. 2000, Nesnidal et al. 2013 | |||||
Age range: base of the Artinskian to the top of the Wordian or 290.10000 to 264.28000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Australia (Western Australia) | Wyndhamia colemani (85929 85952) Wyndhamia multispinifera (84851 84857) | |
| Kungurian | Australia (Western Australia) | Wyndhamia multispinifera (84491 84853) | |
| Roadian | Australia (Northern Territory) | Wyndhamia colemani (83184) | |
| Roadian | Canada (Nunavut) | Wyndhamia unispinosa (112857 120472) | |
| Wordian | Canada (Nunavut) | Wyndhamia sp. (120471) |