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Petalaxis besti
Taxonomy
Petalaxis besti was named by Wilson (1982). Its type specimen is UCMP 37234 and is a 3D body fossil.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Petalaxis besti Wilson p. 67 figs. 39c-f |
| 1982 | Petalaxis kennedyi Wilson p. 69 figs. 39g-i |
| 1982 | Petalaxis pecki Wilson p. 69 figs. 40a-e |
| 2007 | Petalaxis besti Fedorowski et al. p. 164 |
| 2009 | Petalaxis besti Stevens p. 13 figs. 10.1-10.4 |
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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 besti Wilson 1982
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Invalid names: Petalaxis kennedyi Wilson 1982 [synonym], Petalaxis pecki Wilson 1982 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Asselian to the top of the Artinskian or 298.90000 to 279.30000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | USA (California) | Petalaxis besti (62671 62672) | |
| Asselian | Canada (British Columbia) | Petalaxis besti (107896 107900 107952) | |
| Sakmarian | USA (California) | Petalaxis kennedyi (62677 62678 62682) Petalaxis kennedyi, Petalaxis pecki (62683) Petalaxis pecki (62684) | |
| Artinskian | China (Guangxi) | Petalaxis kennedyi (132985) |