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Xylopteris elongata
Taxonomy
Sphenopteris elongata was named by Carruthers (1872). It is not extant. It is the type species of Dicroidium.
It was recombined as Xylopteris elongata by Frenguelli (1951); it was recombined as Dicroidium elongatum by Archangelsky (1968) and Holmes (1982).
It was recombined as Xylopteris elongata by Frenguelli (1951); it was recombined as Dicroidium elongatum by Archangelsky (1968) and Holmes (1982).
Synonymy list
| Year | Name and author |
|---|---|
| 1872 | Sphenopteris elongata Carruthers |
| 1951 | Xylopteris elongata Frenguelli |
| 1968 | Dicroidium elongatum Archangelsky |
| 1982 | Dicroidium elongatum Holmes |
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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 elongata Carruthers 1872
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Diagnosis
No diagnoses are available