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Alnus parvifolia
Taxonomy
Betula parvifolia was named by Berry (1926). It is a compression fossil. Its type locality is Joseph Creek, which is in an Eocene lacustrine shale in the Chu Chua Formation of Canada.
It was recombined as Alnus parvifolia by Wolfe and Wehr (1987).
It was recombined as Alnus parvifolia by Wolfe and Wehr (1987).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Betula parvifolia Berry |
| 1987 | Alnus parvifolia Wolfe and Wehr p. 12 |
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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.
†Alnus parvifolia Berry 1926
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Early/Lower Eocene to the top of the Bartonian or 55.80000 to 38.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Canada (British Columbia) | Alnus parvifolia (227994) | |
| Eocene | Canada (British Columbia) | Alnus parvifolia (179231) | |
| Early/Lower Eocene | Canada (British Columbia) | Betula parvifolia (type locality: 227791) | |
| Lutetian - Bartonian | USA (Washington) | Alnus parvifolia (11537) |