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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Scacchinella exasperata
Taxonomy
Scacchinella exasperata was named by Cooper and Grant (1975). Its type specimen is USNM 151686a, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Scacchinella exasperata Cooper and Grant p. 921 figs. Pl 271, figs 14-24; pl 273, figs 26-28 |
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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.
†Scacchinella exasperata Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 23.8 | 9.00 | 63.0 | 26.7 | 17.6 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Williams et al. 2000 | |||||
Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Artinskian | USA (Texas) | Scacchinella exasperata (105891) | |
| Sakmarian | USA (Texas) | Scacchinella exasperata (43542 43546 43575) | |
| Artinskian | USA (Texas) | Scacchinella exasperata (43540 81953) |