Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Equisetum arcticum

Polypodiopsida - Equisetales - Equisetaceae

Taxonomy
Equisetum arcticum was named by Heer (1866).

Sister species lacking formal opinion data
E. aquatile, E. brongniartii, E. burchardtii, E. laterale, E. pellati, E. winchesteri

Synonymy list
YearName and author
1866Equisetum arcticum Heer
1919Equisetum arcticum Knowlton
1996Equisetum arcticum Liu et al.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
subclassEquisetidaeWarm 1883
RankNameAuthor
orderEquisetalesDumortier 1829
familyEquisetaceaeDe Candolle 1804
genusEquisetum
speciesarcticumHeer 1866

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.

†Equisetum arcticum Heer 1866
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Late/Upper Maastrichtian to the top of the Miocene or 70.60000 to 5.33300 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian70.6 - 66.0Canada (Saskatchewan) Equisetum arcticum (45728)
Early/Lower Paleocene66.0 - 61.7Canada (Alberta) Equisetum arcticum (22833 22834)
Early/Lower Eocene55.8 - 48.6USA (Idaho) Equisetum arcticum (35334 35335 35336 35337 35338 35347 35348 35349)
Miocene - Oligocene23.03 - 23.03USA (Montana) Equisetum arcticum (23975)
Miocene23.03 - 5.333China (Hebei) Equisetum arcticum (223818)
Miocene23.03 - 5.333USA (Montana) Equisetum arcticum (23973)