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Stewartiopteris
Taxonomy
Stewartiopteris was named by Morgan and Delevoryas (1952). It is not extant. Its type is Stewartiopteris singularis.
It was assigned to Pteridophyta by Andrews (1970).
It was assigned to Pteridophyta by Andrews (1970).
Species
S. singularis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Stewartiopteris Morgan and Delevoryas |
| 1970 | Stewartiopteris Andrews |
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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. †Stewartiopteris Morgan and Delevoryas 1952
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†Stewartiopteris singularis Morgan and Delevoryas 1952
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Namurian to the top of the Westphalian A or 330.90000 to 316.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Namurian - Westphalian A | Spain (Leon) | S. sp. (37358) |