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Archaeopteridium

Archaeopteridopsida

Taxonomy
Archaeopteridium was named by Kidston (1923). It is not extant. Its type is Archaeopteridium tschermaki.

It was assigned to Archaeopteridopsida by Andrews (1970).

Species
A. tschermaki (type species)
Species lacking formal opinion data
A. bellasylviana

Synonymy list
YearName and author
1923Archaeopteridium Kidston
1970Archaeopteridium Andrews

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RankNameAuthor
kingdomPlantae
phylumTracheophyta(Sinnott 1935)
—Pteridobiotina
superphylumCycadophytanae
RankNameAuthor
phylumAneurophytophytaBold 1973
subphylumArchaeopteridophytina
classArchaeopteridopsidaTakhtajan 1978
genusArchaeopteridiumKidston 1923

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. †Archaeopteridium Kidston 1923
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Asbian to the top of the Early/Lower Pennsylvanian or 340.00000 to 315.20000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Georgia) A. tschermacki (12698)
Mississippian358.9 - 323.2USA (West Virginia) A. tschermackei (12694)
Carboniferous358.9 - 298.9USA (Georgia) A. tschermacki (12697)
Asbian340.0 - 336.0United Kingdom (England) A. tschermakii (23820)
Early/Lower Pennsylvanian323.2 - 315.2USA (Pennsylvania) A. bellasylviana (11208)