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Azolla stanleyi
Discussion
emended by Hoffman and Stockey 1994 to include vegetative material
Taxonomy
Azolla stanleyi was named by Jain and Hall (1969). It is considered to be a form taxon. It is a compression fossil. Its type locality is Theodore Roosevelt Nat'l Park, near Medora, Billings Co., ND, which is in the Paleocene of shale the Sentinel Butte Formation North Dakota.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Azolla stanleyi Jain and Hall |
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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.
†Azolla stanleyi Jain and Hall 1969
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Paleocene to the top of the Tiffanian or 58.70000 to 56.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tiffanian | Canada (Alberta) | Azolla stanleyi (28522) | |
| Late/Upper Paleocene | USA (North Dakota) | Azolla stanleyi (type locality: 34107) |