| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Petalaxis crassicolumnus
Taxonomy
Petalaxis crassicolumnus was named by Bamber and Fedorowski (1998). It is not a trace fossil. Its type locality is GSC C-179729, S Trold Fiord, Ellesmere Island, which is in a Kashirian/Podolskian shallow subtidal limestone in the Canyon Fiord Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Petalaxis crassicolumnus Bamber and Fedorowski |
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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.
†Petalaxis crassicolumnus Bamber and Fedorowski 1998
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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 | |||||
Age range: Kashirian or 313.80000 to 311.45000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moscovian | Canada (Nunavut) | Petalaxis crassicolumnus (76930 76946) | |
| Kashirian | Canada (Nunavut) | Petalaxis crassicolumnus (76951 76952 76954) | |
| Kashirian - Podolskian | Canada (Nunavut) | Petalaxis crassicolumnus (type locality: 76940 76942) |