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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spinikosmoceras aculeatum
Taxonomy
Cosmoceras aculeatum was named by Eichwald (1893).
It was recombined as Spinikosmoceras aculeatum by Jeannet (1951).
It was recombined as Spinikosmoceras aculeatum by Jeannet (1951).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Cosmoceras aculeatum Eichwald |
| 1951 | Spinikosmoceras aculeatum Jeannet p. 158 figs. Pl 26, figs 10,11; text-fig 384 |
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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.
†Spinikosmoceras aculeatum Eichwald 1893
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 23.7 | 20.0 | 28.0 | 24.0 | 5.66 | |
| shell diameter | 2 | 58.0 | 48.0 | 70.0 | 59.0 | 15.6 | |
| shell inflation | 2 | 16.9 | 15.0 | 19.0 | 17.0 | 2.83 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Callovian or 165.30000 to 161.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Callovian | Switzerland | Spinikosmoceras aculeatum (171753) | |
| Late/Upper Callovian | Switzerland | Spinikosmoceras aculeatum (171921) | |
| Middle Callovian | Switzerland | Spinikosmoceras aculeatum (171733 171756) |