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Acer elwyni
Taxonomy
Quercus elwyni was named by Becker (1960). It is not extant. Its type specimen is UMMP 36429.
It was recombined as Crataegus elwyni by Becker (1972); it was recombined as Acer elwyni by Wolfe and Tanai (1987).
It was recombined as Crataegus elwyni by Becker (1972); it was recombined as Acer elwyni by Wolfe and Tanai (1987).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Quercus elwyni Becker |
| 1972 | Crataegus elwyni Becker |
| 1987 | Acer elwyni Wolfe and Tanai |
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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.
†Acer elwyni Becker 1960
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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 Late/Upper Oligocene to the top of the Early/Lower Miocene or 28.40000 to 15.97000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oligocene - Early/Lower Miocene | USA (Montana) | Crataegus elwyni (23330) |