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Achistrum permianum
Taxonomy
Astrophyton permianum was named by Spandel (1898). It is considered to be a form taxon.
It was recombined as Achistrum permianum by Deflandre-Rigaud (1952) and Reich (2007).
It was recombined as Achistrum permianum by Deflandre-Rigaud (1952) and Reich (2007).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Astrophyton permianum Spandel |
| 1952 | Achistrum permianum Deflandre-Rigaud p. 9 |
| 2007 | Achistrum permianum Reich p. 323 |
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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.
†Achistrum permianum Spandel 1898
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Arkadiev and Bugrova 1999, Aberhan 1992 | |||||
Age range: Wuchiapingian or 259.90000 to 254.17000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Germany | Achistrum permianum (94445) |