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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spermopteris
Taxonomy
Spermopteris was named by Cridland and Morris (1960). It is not extant. Its type is Taeniopteris coriacea.
It was assigned to Pteridospermophyta by Andrews (1970).
It was assigned to Pteridospermophyta by Andrews (1970).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Spermopteris Cridland and Morris |
| 1970 | Spermopteris 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Missourian to the top of the Kungurian or 306.00000 to 274.40000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carboniferous - Permian | USA (Arizona) | Taeniopteris coriacea (11999) | |
| Bashkirian - Gzhelian | USA (Kansas) | S. coriacea (24649) | |
| Missourian - Khamovnikian | USA (Kansas) | S. sp., Taeniopteris coriacea (11212) | |
| Permian | USA (Kansas) | Taeniopteris coriacea (11155) | |
| Permian | USA (Texas) | Taeniopteris coriacea (24622) | |
| Sakmarian - Kungurian | USA (Kansas) | Taeniopteris coriacea (32659) | |
| Artinskian - Kungurian | USA (Arizona) | Taeniopteris coriacea (11150) | |
| Rotliegendes | USA (Kansas) | Taeniopteris coriacea (11154) |