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Xylopteris rigida
Taxonomy
Stenopteris rigida was named by Dun (1909). It is not extant.
It was recombined as Xylopteris rigida by Jain and Delevoryas (1967).
It was recombined as Xylopteris rigida by Jain and Delevoryas (1967).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Stenopteris rigida Dun |
| 1933 | Stenopteris densifolia Thomas |
| 1967 | Xylopteris rigida Jain and Delevoryas |
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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.
†Xylopteris rigida Dun 1909
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Invalid names: Stenopteris densifolia Thomas 1933 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: Carnian or 237.00000 to 228.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | Argentina (Mendoza) | Xylopteris rigida (84244) | |
| Late/Upper Triassic | Lesotho | Stenopteris densifolia (208639) |