| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dryopteris guyottii
Taxonomy
No taxonomic data are available
Sister species
D. arguta (syn. Sphenopteris membranacea, Aspidium lakesii), D. civica, D. cladophleboides, D. coloradensis, D. gleichenoides, D. indica, D. kennerlyi, D. kootaniensis, D. lakesii, D. lloydii, D. meeteetseana, D. montanensis, D. nigricans, D. polypodioides, D. scansa, D. serrata, D. seymouriensis, D. weedii, D. xantholithensis
Sister species lacking formal opinion data
Synonymy list
No taxonomic opinions are available
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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: Chadronian or 37.00000 to 33.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene - Early/Lower Oligocene | USA (Colorado) | Dryopteris guyottii (39837 39839 39849 39851) | |
| Chadronian | USA (Colorado) | Dryopteris guyottii (24209) |