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Parasibirites grambergi
Taxonomy
Sibirites grambergi was named by Popov (1961).
It was synonymized subjectively with Sibirites eichwaldi by Kummel (1969); it was recombined as Parasibirites grambergi by Popov (1962), Bychkov et al. (1976), Dagis and Ermakova (1988), Dagis et al. (1996).
It was synonymized subjectively with Sibirites eichwaldi by Kummel (1969); it was recombined as Parasibirites grambergi by Popov (1962), Bychkov et al. (1976), Dagis and Ermakova (1988), Dagis et al. (1996).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Sibirites grambergi Popov |
| 1962 | Parasibirites grambergi Popov |
| 1962 | Parasibirites rariaculeatus Popov p. 182 figs. Pl 1, fig 2 |
| 1976 | Parasibirites grambergi Bychkov et al. |
| 1976 | Parasibirites rariaculeatus Bychkov et al. |
| 1988 | Parasibirites grambergi Dagis and Ermakova p. 96 figs. Pl 31, figs 1-5 |
| 1996 | Parasibirites grambergi Dagis et al. p. 110 figs. Pl 51, fig 8 |
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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.
†Parasibirites grambergi Popov 1961
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Invalid names: Parasibirites rariaculeatus Popov 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 14.9 | 14.0 | 16.0 | 14.8 | 0.854 | |
| shell diameter | 4 | 51.2 | 47.0 | 57.5 | 50.5 | 4.57 | |
| shell inflation | 4 | 25.6 | 22.5 | 32.0 | 24.5 | 4.37 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Spathian or 248.10000 to 246.70000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian | Russian Federation (Siberia) | Parasibirites grambergi (72342) | |
| Spathian | Russian Federation | Parasibirites grambergi (107019 107048 139246 214728 214730) |