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Nordenskioldia borealis

Angiospermae - Trochodendrales - Trochodendraceae

Taxonomy
Nordenskioldia borealis was named by Heer (1870). It is a compression fossil.

Synonymy list
YearName and author
1870Nordenskioldia borealis Heer pp. 65-67 figs. 1-13
1919Nordenskioldia borealis Knowlton
1991Nordenskioldia borealis Crane and Manchester
1996Nordenskioldia borealis Liu et al.

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classAngiospermae
—Mesangiosperms
—EudicotsDoyle and Hotton 1991
RankNameAuthor
orderTrochodendralesTakhtajan 1981
familyTrochodendraceaePrantl 1865
genusNordenskioldiaHeer 1870
speciesborealisHeer 1870

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.

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Diagnosis
ReferenceDiagnosis
P. R. Crane and S. R. Manchester 1991Fruits woody, sessile on a stout infructescence axis. Each fruit consisting of 10-20 fruitlets arranged in a whorl around a central column. Central column expanded at the base, tapering rapidly distally. Fruits schizocarpic, dispersed fruitlets D-shaped in outline, dehiscent, containing a single small, ovate seed.
Measurements
No measurements are available
Diet: "photoautotroph"p
Created: 2011-07-22 00:04:15
Modified: 2011-07-21 09:04:15
Source: p = phylum
Reference: Kiessling 2009

Age range: base of the Lancian to the top of the Middle Eocene or 72.20000 to 37.71000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Lancian72.2 - 66.0USA (North Dakota) Nordenskioldia borealis (25437 25476)
Puercan66.0 - 63.4USA (North Dakota) Nordenskioldia borealis (25427 25440)
Paleocene66.0 - 56.0Norway Nordenskioldia borealis (31879)
Paleocene66.0 - 56.0USA (Colorado) Nordenskioldia borealis (53018)
Paleocene66.0 - 56.0USA (North Dakota) Nordenskioldia borealis (58083 58086 58087)
Paleocene66.0 - 56.0Canada (Alberta) Nordenskioldia borealis (34887)
Paleocene66.0 - 56.0USA (Montana) Nordenskioldia borealis (31881 40098 43404 53537 53954 53959)
Paleocene66.0 - 56.0USA (Wyoming) Nordenskioldia borealis (31882 40775 40822 40886 43303 57932 57977 57994)
Torrejonian63.4 - 60.9USA (North Dakota) Nordenskioldia borealis (24957 24962 24965)
Clarkforkian57.5 - 56.0USA (North Dakota) Nordenskioldia borealis (21372)
Middle Eocene48.07 - 37.71China (Hainan) Nordenskioldia borealis (223825)