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Gnetopsida

Gnetopsida

Taxonomy
Gnetopsida was named by Kirpotenko (1884). It is extant.

It was assigned to Gymnospermae by Mabberley (2000); and to Gnetophyta by Doweld (2001).

Synonymy list
YearName and author
1884Gnetopsida Kirpotenko pp. vii, 31
2000Gnetopsida Mabberley
2001Gnetopsida Doweld p. xix

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RankNameAuthor
kingdomPlantae
superphylumTracheophyta
—Pteridobiotina
superphylumCycadophytanae
RankNameAuthor
phylumGnetophytaBessey 1907
classGnetopsidaKirpotenko 1884
classGnetopsidaKirpotenko 1884

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.

Cl. Gnetopsida Kirpotenko 1884
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G. †Gontriglossa Anderson and Anderson 1989
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†Gontriglossa reinerae Nielsen 2005
G. †Pityophyllum Nathorst 1899
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†Pityophyllum staratschini Nathorst 1899
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Anisian to the top of the Middle Albian or 247.20000 to 105.30000 Ma

Collections (414 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Anisian247.2 - 242.0China (Liaoning) Pityophyllum sp. 1 (29984)
Anisian - Ladinian247.2 - 237.0Mongolia Pityophyllum sp. 1 (30302)
Anisian - Ladinian247.2 - 237.0China (Gansu) Pityophyllum sp. 1 (29705)
Middle Triassic247.2 - 237.0Argentina (Mendoza) Gontriglossa sp. (200132)
Ladinian242.0 - 237.0Japan (Yamaguchi) Pityophyllum sp. 1 (30210)
Carnian237.0 - 228.0Chile Gontriglossa reinerae (201288)
Carnian237.0 - 228.0South Africa (Kwazulu-Natal) Gontriglossa sp. (23002)
Carnian237.0 - 228.0Russian Federation Pityophyllum sp. 1 (30416 30818)
Carnian237.0 - 228.0Japan (Yamaguchi) Pityophyllum sp. 1 (30209)
Carnian237.0 - 228.0South Africa Gontriglossa sp. (23084)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Valanginian139.8 - 132.9Russian Federation (Buryat) Pityophyllum nordenskioldii (58196)
Barremian129.4 - 125.0Svalbard and Jan Mayen Pityophyllum lindstromii, Pityophyllum strartschinii (212949 212979) Pityophyllum staratschinii (212809)
Barremian - Aptian129.4 - 113.0Kazakhstan Pityophyllum sp. 1, Pityophyllum sp. 2 (30223)
Aptian125.0 - 113.0Canada (British Columbia) Pityophyllum nordenskioldi (24854) Pityophyllum sp. (24887)
Aptian125.0 - 113.0Russian Federation (Buryatia) Pityophyllum staratchinii, Pityophyllum nordenskioldii (217431)
Aptian125.0 - 113.0China (Liaoning) Pityophyllum sp. (36972)
Albian113.0 - 100.5USA (Alaska) Pityophyllum nordenskioldii (34371) Pityophyllum sp. (33321 33501 33504 34369) Pityophyllum staratschinii (34195)
Albian - Cenomanian113.0 - 93.9Russian Federation Pityophyllum nordenskioldii (34627 34804) Pityophyllum staratchinii (34792 34793 34798 34799 34803) Pityophyllum staratchinii, Pityophyllum nordenskioldii (34771 34775 34800) Pityophyllum staratschinii (34628)
Albian - Cenomanian113.0 - 93.9USA (Alaska) Pityophyllum nordenskioldii (33499 34194 34296) Pityophyllum nordenskioldii, Pityophyllum staratschinii (33498 33500 34193 34380) Pityophyllum sp. (34294 34297 34354 34367 34379 34390 34619) Pityophyllum staratschinii (34386)
Early/Lower Albian - Middle Albian112.03 - 105.3Canada (British Columbia) Pityophyllum sp. (136788) Pityophyllum sp., Pityophyllum nordenskioldi (136786)