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Platypterygium
Taxonomy
Platypterygium was named by Feistmantel (1886). It is not extant.
It was assigned to Cycadaceae by Knowlton (1919); and to Cycadophyta by Andrews (1970), Lakhanpal et al. (1976).
It was assigned to Cycadaceae by Knowlton (1919); and to Cycadophyta by Andrews (1970), Lakhanpal et al. (1976).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Platypterygium Feistmantel |
| 1919 | Platypterygium Knowlton |
| 1970 | Platypterygium Andrews |
| 1976 | Platypterygium Lakhanpal et al. |
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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. †Platypterygium Feistmantel 1886
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†Platypterygium densinerve Fontaine 1889
†Platypterygium rogersianum Fontaine 1889
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available