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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alnus operia
Taxonomy
Alnus operia was named by MacGinitie (1941). Its type specimen is U. C. Mus. Pal. Paleobot. Ser. plesiotype no. 2167.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1941 | Alnus operia MacGinitie |
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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 operia MacGinitie 1941
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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 Priabonian to the top of the Middle Eocene or 38.00000 to 37.71000 Ma
Collections (10 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Eocene | USA (Washington) | Alnus operia (22993) | |
Middle Eocene | USA (California) | Alnus operia (23995 23996) | |
Priabonian | USA (Washington) | Alnus operia (10744 22890 22901 22905 22906 22934 22966) |