| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spinikosmoceras
Taxonomy
Spinokosmoceras is a genus. It is not extant.
It was corrected as Spinikosmoceras by Arkell et al. (1957).
It was assigned to Kosmoceratidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was corrected as Spinikosmoceras by Arkell et al. (1957).
It was assigned to Kosmoceratidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Spinikosmoceras Arkell et al. p. 301 |
| 2002 | Spinokosmoceras 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.
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 2004, Kiessling 2003 | |||||
Age range: Early/Lower Callovian or 164.70000 to 161.20000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Callovian | Switzerland | S. aculeatum (171753) | |
| Late/Upper Callovian | Switzerland | S. aculeatum (171921) | |
| Late/Upper Callovian | France | S. arkelli (60440) | |
| Middle Callovian | France | S. castor (60543 60552 60617) S. castor, S. pollux (60564) S. pollux (60618) | |
| Middle Callovian | Switzerland | S. aculeatum (171733 171756) |