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Pettersia
Taxonomy
Pettersia was named by Nicol (1953) [Sepkoski's age data: K u K Maes Sepkoski's reference number: 914].
It was assigned to Arcullaeinae by Vokes (1980); and to Arcoida by Sepkoski (2002).
It was assigned to Arcullaeinae by Vokes (1980); and to Arcoida by Sepkoski (2002).
Synonymy list
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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. †Pettersia Nicol 1953
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Mikkelsen and Bieler 2008 | |||||
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Peru | P. abnormalis (1336) | |
| Maastrichtian | Colombia | P. abnormalis (1375) |