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Nilsonia

Cycadopsida - Cycadales

Synonymy list
YearName and author
1825Nilsonia Brongniart
1919Nilsonia Knowlton
1970Nilssonia Andrews
1976Nilssonia Lakhanpal et al.
1984Nilssonia Meyen p. 90
1991Nilssonia Chandra and Tewari

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumCycadophytaBessey 1907
RankNameAuthor
classCycadopsidaBrongniart 1843
orderCycadalesDumortier 1829
genusNilsoniaBrongniart 1825

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. †Nilsonia Brongniart 1825
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†Nilsonia californica Fontaine 1894
†Nilsonia compta Phillips 1905
†Nilsonia gibbsii Newberry 1863
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Invalid names: Nilsonia johnstrupi Heer 1882 [synonym]
†Nilsonia lata Dawson 1882
†Nilsonia nigracollensis Wieland 1905
†Nilsonia nipponensis Yokoyama 1889
†Nilsonia oregonensis Fontaine 1905
†Nilsonia orientalis Heer 1878
†Nilsonia parvula Heer 1876
†Nilsonia pasaytensis Penhallow 1907
†Nilsonia polymorpha Schenk 1867
†Nilsonia pterophylloides Nathorst 1878
†Nilsonia sambucensis Ward 1905
†Nilsonia schaumbergensis Dunker 1889
†Nilsonia stantoni Ward 1905
†Nilssonia brevis Brongniart 1825
†Nilssonia fissa Feistmantel 1879
†Nilssonia princeps Oldham and Morris 1862
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Wordian to the top of the Maastrichtian or 266.90000 to 66.00000 Ma

Collections (549 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Roadian - Wordian274.4 - 264.28China (Shandong) Nilssonia sp. 1 (30058)
Roadian - Wordian274.4 - 264.28China (Shaanxi) Nilssonia sp. 1 (29876)
Roadian - Wordian274.4 - 264.28China (Henan) Nilssonia sp. 1, Nilssonia sp. 2, Nilssonia sp. 3, Nilssonia sp. 4, Nilssonia sp. 5 (29954)
Wordian - Capitanian266.9 - 259.51China (Guangdong) Nilssonia sp. 1 (29818)
Capitanian - Wuchiapingian264.28 - 254.14China (Shanxi) Nilssonia sp. 1 (29882 29885)
Spathian - Anisian248.1 - 241.464South Africa (Eastern Cape) Nilssonia reservoirensis (20655 20688 20696)
Anisian - Ladinian246.7 - 237.0China (Gansu) Nilssonia sp. 1 (29705)
Anisian - Ladinian246.7 - 237.0Mongolia Nilssonia sp. 1 (30302)
Anisian - Ladinian246.7 - 237.0China (Nei Mongol) Nilssonia sp. 1, Nilssonia sp. 2 (29846)
Middle Triassic246.7 - 237.0Antarctica Nilssonia sp. 1 (29349)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Albian113.2 - 100.5USA (Alaska) Nilssonia magnifolia, Nilssonia menneri, Nilssonia decursiva, Nilssonia serotina (34300)
Albian113.2 - 100.5USA (Oregon) Nilssonia schaumburgensis, Nilssonia canadensis (229463)
Albian - Cenomanian113.2 - 93.9USA (Alaska) Nilssonia serotina (34194)
Albian - Cenomanian113.2 - 93.9Russian Federation Nilssonia alaskana (34778) Nilssonia alaskana, Nilssonia serotina (34794) Nilssonia serotina (34627 34771 34796 34798 34799 34800 34801) Nilssonia serotina, Nilssonia yukonensis (34775) Nilssonia sp. (34802)
Late/Upper Cretaceous100.5 - 66.0USA (Wyoming) N. mehli (31383)
Coniacian - Campanian89.8 - 72.2Canada (British Columbia) Nilssonia serotina (35174 35213) Nilssonia vancouverensis (35176 35203 35206 35207) Nilssonia vancouverensis, Nilssonia Mehli (35189)
Late/Upper Campanian83.6 - 72.2Canada (Alberta) N. sp. (34814)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Canada (Alberta) Nilssonia sp. (34894)
Lancian72.2 - 66.0USA (North Dakota) Nilssonia yukonensis (25911 25912 25914 25915 48220 48248 48263 48282 48291)
Maastrichtian72.2 - 66.0Canada (Alberta) Nilssonia serotina (35245)