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Severobolbina
Taxonomy
Severobolbina was named by Schallreuter (1974) [Sepkoski's age data: O Llde-u O Cara-m Sepkoski's reference number: 855].
It was assigned to Palaeocopida by Sepkoski (2002).
It was assigned to Palaeocopida by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Severella Schallreuter |
| 1974 | Severobolbina Schallreuter p. 278 |
| 2002 | Severella Sepkoski |
| 2002 | Severobolbina 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. †Severobolbina Schallreuter 1974
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Invalid names: Severella Schallreuter 1964 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mohawkian | USA (Nevada) | Severella sp. (105563) | |
| Llandovery | USA (Nevada) | Severella sp. (467) | |
| Sheinwoodian | Canada (Nunavut) | Severella arctosulcata (26003 26009 26013 26014) | |
| Whitwellian | Canada (Northwest Territories) | Severella arctosulcata (26048) | |
| Ludlow | Russian Federation | Severella magnificaformis (23760 23763 23765 24691) Severella sp. (23696) | |
| Ludlow | Kazakhstan | Severella sp. (24689) |