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Nautilus praepompilius
Taxonomy
Nautilus praepompilius was named by Shimansky (1957). Its type specimen is PIN 1264/1, a shell, and it is a 3D body fossil. Its type locality is North Precipice, Ustjurt Plateau, which is in a Priabonian offshore siliciclastic in the Chegan Formation of Kazakhstan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Nautilus praepompilius Shimansky p. 39 figs. Pl 2, fig 4 |
| 1996 | Nautilus praepompilius Saunders et al. p. 609 figs. 1, 2.1, 3.2 |
| 2016 | Nautilus praepompilius Ward et al. p. 400 fig. 6 |
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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.
†Nautilus praepompilius Shimansky 1957
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 33.7 | 31.0 | 36.6 | 33.8 | 3.96 | |
| shell diameter | 2 | 57.8 | 53.7 | 62.2 | 58.0 | 6.01 | |
| shell inflation | 2 | 1.73 | 0.600 | 5.00 | 2.80 | 3.11 |
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2003, Kiessling 2004 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thanetian | Australia (Victoria) | Nautilus praepompilius (180733) | |
| Priabonian | Kazakhstan | Nautilus praepompilius (type locality: 108261 108262) | |
| Rupelian | Kazakhstan | Nautilus praepompilius (180453) |