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Arctonautilus egorovi
Taxonomy
Arctonautilus egorovi was named by Sobolev (1989). Its type specimen is IGiG 759/66, a shell, and it is a 3D body fossil. Its type locality is Artist-Yurege River, olenekense subzone, Kengdey Basin, Kharaulakh Range, which is in an Illyrian marine siliciclastic in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Arctonautilus egorovi Sobolev p. 74 figs. Pl 25, fig 1; pl 26, figs 1-3; text-figs 43, 44 |
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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.
†Arctonautilus egorovi Sobolev 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 51.1 | 31.2 | 83.6 | 57.4 | 37.1 | |
| shell diameter | 2 | 100.6 | 63.7 | 159.0 | 111.3 | 67.4 | |
| shell inflation | 2 | 22.5 | 14.5 | 35.0 | 24.8 | 14.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Anisian or 247.20000 to 242.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Russian Federation | Arctonautilus egorovi (124551 124552 124576 124640) | |
| Illyrian | Russian Federation | Arctonautilus egorovi (107118 135737 151189 type locality: 166656 166657) |