| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Smittina trispinosa
Taxonomy
Smittina trispinosa was named by Johnston (1838).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1838 | Smittina trispinosa Johnston |
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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.
†Smittina trispinosa aotea Brown 1952
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range
Maximum range based only on fossils: Pliocene or 5.33300 to 2.58800 Ma
Minimum age of oldest fossil (stem group age): 2.588 Ma
Minimum age of oldest fossil (stem group age): 2.588 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliocene | Australia (South Australia) | Smittina trispinosa (172911) | |
| Pliocene | New Zealand | Smittina trispinosa (173738 173739 173740) |