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Berchemia
Taxonomy
Berchemia was named by Necker and de Candolle (1825). It is extant.
It was assigned to Rhamnaceae by Necker and de Candolle (1825), Knowlton (1919), Lakhanpal et al. (1976), Chauhan (1991), Srivastava (1991), Liu et al. (1996) and Prasad (2008).
It was assigned to Rhamnaceae by Necker and de Candolle (1825), Knowlton (1919), Lakhanpal et al. (1976), Chauhan (1991), Srivastava (1991), Liu et al. (1996) and Prasad (2008).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1825 | Berchemia Necker and de Candolle |
1919 | Berchemia Knowlton |
1976 | Berchemia Lakhanpal et al. |
1991 | Berchemia Chauhan |
1991 | Berchemia Srivastava |
1996 | Berchemia Liu et al. |
2008 | Berchemia Prasad |
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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.
G. Berchemia Necker and de Candolle 1825
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†Berchemia balugoloaensis Lakhanpal 1967
Berchemia floribunda Wallich 1826
†Berchemia mellerae Collinson et al. 2012
†Berchemia nepalensis Prasad and Dwivedi 2008
Berchemia polyphylla Wallich 1875
†Berchemia priscaformis Berry 1916
†Berchemia siwalica Tripathi et al. 2002
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2009 |
Age range
Maximum range based only on fossils: base of the Middle Eocene to the top of the Early/Lower Pleistocene or 48.60000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 37.2 Ma
Minimum age of oldest fossil (stem group age): 37.2 Ma
Collections (21 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Tertiary | Japan (Nagano) | B. sp. (22815) | |
Tertiary | Japan (Oosani) | B. racemosa (22826) | |
Eocene | China (Jilin) | B. sp. (223891) | |
Middle Eocene | Germany (Hesse) | B. mellerae (140304) | |
Rupelian | Germany (Baden-Württemberg) | B. sp. (68021) | |
Miocene - Oligocene | USA (Montana) | B. huanoides (23975) | |
Early/Lower Miocene | India (Himachal Pradesh) | B. balugoloaensis (227850) | |
Miocene | Switzerland (Zürich) | B. multinervis (46324 46325) | |
Miocene | USA (Montana) | B. huanoides (23973) | |
Miocene | Nepal | B. nepalensis, B. siwalica (222898) | |
Miocene - Pliocene | India (Himachal Pradesh) | B. balugoloaensis (222792) | |
Orleanian | Germany (Baden-Wurttemberg) | B. sp. (106002) | |
Late/Upper Miocene | China (Yunnan) | B. sp., B. yunnanensis, B. polyphylla (222695) | |
Late/Upper Miocene - Early/Lower Pliocene | Japan (Kouwa-cho) | B. racemosa (22827) | |
Pliocene - Early/Lower Pleistocene | China (Xinjiang) | B. sp. (223915) | |
Late/Upper Pliocene | China (Yunnan) | B. yunnanensis (224402) | |
Late/Upper Pliocene - Early/Lower Pleistocene | India (Arunachal Pradesh) | B. siwalica (224427) | |
Early/Lower Pleistocene | China (Yunnan) | B. sp. (223985) | |
Early/Lower Pleistocene | China (Guangxi) | B. racemosa (223913) | |
Pleistocene | India (Kashmir) | B. floribunda (224613) |