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Powellisetia
Taxonomy
Powellisetia was named by Ponder (1965) [Sepkoski's age data: T Mi-l-u R Sepkoski's reference number: 650,681,899]. It is extant. Its type is Rissoa porcellana.
It was assigned to Rissoinae by Vaught et al. (1989); to Neotaenioglossa by Sepkoski (2002); and to Rissoidae by Ávila et al. (2012).
It was assigned to Rissoinae by Vaught et al. (1989); to Neotaenioglossa by Sepkoski (2002); and to Rissoidae by Ávila et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Powellisetia Ponder |
| 1989 | Powellisetia Vaught et al. |
| 2002 | Powellisetia Sepkoski |
| 2012 | Powellisetia Ávila et al. |
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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. Powellisetia Ponder 1965
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†Powellisetia marshalli Grant-Mackie and Chapman-Smith 1971
Powellisetia porcellana Suter 1908
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: Castlecliffian or 1.63000 to 0.34000 Ma
Minimum age of oldest fossil (stem group age): 0.34 Ma
Minimum age of oldest fossil (stem group age): 0.34 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Castlecliffian | New Zealand | P. marshalli (178187 178188 178190) |