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Polrussia
Taxonomy
Polrussia was named by Borsuk-Bialynicka and Alifanov (1991). Its type is Polrussia mongoliensis.
It was assigned to Phrynosomatidae by Alifanov (2000); to Iguanidae by Alifanov (1993) and Gao and Norell (2000); to Iguania by Borsuk-Bialynicka and Alifanov (1991) and Conrad et al. (2007); to Pleurodonta by Conrad and Norell (2007); and to Iguanomorpha by DeMar et al. (2017).
It was assigned to Phrynosomatidae by Alifanov (2000); to Iguanidae by Alifanov (1993) and Gao and Norell (2000); to Iguania by Borsuk-Bialynicka and Alifanov (1991) and Conrad et al. (2007); to Pleurodonta by Conrad and Norell (2007); and to Iguanomorpha by DeMar et al. (2017).
Species
P. mongoliensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Polrussia Borsuk-Bialynicka and Alifanov p. 337 |
| 1993 | Polrussia Alifanov p. 10 |
| 2000 | Polrussia Alifanov p. 369 |
| 2000 | Polrussia Gao and Norell p. 31 |
| 2007 | Polrussia Conrad and Norell fig. 19 |
| 2007 | Polrussia Conrad et al. p. 1370 |
| 2017 | Polrussia DeMar Jr et al. |
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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. †Polrussia Borsuk-Bialynicka and Alifanov 1991
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†Polrussia mongoliensis Borsuk-Bialynicka and Alifanov 1991
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | P. mongoliensis (13776 62913) |