| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Petrianna
Taxonomy
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Petrianna Siveter |
| 2018 | Petrianna Peel and Willman p. 399 |
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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. †Petrianna Siveter 1986
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Dyeran or 515.30000 to 511.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Greenland | P. fulmenata (106059) | |
| Dyeran | Greenland | P. fulmenata (219448) |