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Cosmonautilus
Taxonomy
Cosmonautilus was named by Hyatt and Smith (1905) [Sepkoski's age data: Tr Carn-l Tr Nori-m Sepkoski's reference number: 995].
It was assigned to Clydonautilidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
It was assigned to Clydonautilidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Cosmonautilus Hyatt and Smith p. 207 |
| 1964 | Cosmonautilus Teichert et al. p. 442 |
| 2002 | Cosmonautilus 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. †Cosmonautilus Hyatt and Smith 1905
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†Cosmonautilus dilleri Hyatt and Smith 1905
†Cosmonautilus hersheyi Smith 1927
†Cosmonautilus pacificus Smith 1927
†Cosmonautilus polaris Sobolev 1989
†Cosmonautilus shastensis Smith 1927
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 29.1 | 7.50 | 116.0 | 22.0 | 35.3 | |
| shell diameter | 11 | 44.8 | 12.0 | 170.0 | 33.0 | 52.2 | |
| shell inflation | 11 | 0.115 | 0.001 | 5.70 | 0.500 | 2.12 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Triassic | USA (Alaska) | C. sp. (112231) | |
| Julian | Russian Federation | C. polaris (166572 166681 166690 166691 166692 166693 166694) | |
| Tuvalian | USA (California) | C. dilleri (142608 142609) C. hersheyi, C. pacificus (144028) C. shastensis (142611) |