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Petraia
Taxonomy
Petraia was named by Münster (1839) [Sepkoski's age data: S Ludl D Fame-u Sepkoski's reference number: 680]. It is not extant.
It was assigned to Petraiidae by Hill (1956); and to Rugosa by Sepkoski (2002).
It was assigned to Petraiidae by Hill (1956); and to Rugosa by Sepkoski (2002).
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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. †Petraia Münster 1839
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cautleyan - Rawtheyan | United Kingdom (Wales) | P. sp. (8291) | |
| Rawtheyan | United Kingdom (England) | P. sp. (3667) | |
| Rawtheyan - Hirnantian | United Kingdom (Wales) | P. sp. (8292) | |
| Silurian | USA (Oklahoma) | P. sp. (528) | |
| Pridoli - Lochkovian | Austria | P. laevis (13913) |