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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sagenopteris alaskensis
Taxonomy
Sagenopteris alaskensis was named by Fontaine (1905). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Sagenopteris alaskensis Fontaine |
| 1919 | Sagenopteris alaskensis Knowlton |
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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.
†Sagenopteris alaskensis Fontaine 1905
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available