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Arcullina polaris
Taxonomy
Spirifer polaris was named by Wiman (1914). It is the type species of Arcullina.
It was recombined as Spiriferella polaris by Coogan (1960) and Barchatova (1970); it was recombined as Arcullina polaris by Waterhouse (1986), Kalashnikov (1998) and Waterhouse (2004).
It was recombined as Spiriferella polaris by Coogan (1960) and Barchatova (1970); it was recombined as Arcullina polaris by Waterhouse (1986), Kalashnikov (1998) and Waterhouse (2004).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1914 | Spirifer polaris Wiman |
| 1960 | Spiriferella polaris Coogan p. 294 figs. Pl 27, figs 1, 2; text-fig 21a,b |
| 1968 | Spiriferella digna Barchatova p. 161 figs. Pl 46, fig 3 |
| 1970 | Spiriferella polaris Barchatova |
| 1970 | Spiriferella timanica Barchatova |
| 1986 | Arcullina polaris Waterhouse p. 4 |
| 1998 | Arcullina polaris Kalashnikov p. 61 figs. Pl 16, figs 1,2; pl 17, figs 5-7; pl 18, fig 1 |
| 2004 | Arcullina polaris Waterhouse |
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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.
†Arcullina polaris Wiman 1914
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Invalid names: Spiriferella digna Barchatova 1968 [synonym], Spiriferella timanica Barchatova 1970 [synonym]
Diagnosis
No diagnoses are available