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Gnetophyta

Taxonomy
Gnetophyta was named by Bessey (1907). It is extant.

It was assigned to Cycadophytanae by Doweld (2001).

Subtaxa

Synonymy list
YearName and author
1907Gnetophyta Bessey p. 323
2001Gnetophyta Doweld

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RankNameAuthor
kingdomPlantae
superphylumTracheophyta
Pteridobiotina
RankNameAuthor
superphylumCycadophytanae
phylumGnetophytaBessey 1907
phylumGnetophytaBessey 1907

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.

Ph. Gnetophyta Bessey 1907
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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

Maximum range based only on fossils: base of the Anisian to the top of the Middle Albian or 247.20000 to 105.30000 Ma
Minimum age of oldest fossil (stem group age): 242.0 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 - 237.0China (Gansu) Pityophyllum sp. 1 (29705)
Anisian - Ladinian247.2 - 237.0Mongolia Pityophyllum sp. 1 (30302)
Middle Triassic247.2 - 237.0Argentina (Mendoza) Gontriglossa sp. (200132)
Ladinian242.0 - 237.0Japan (Yamaguchi) Pityophyllum sp. 1 (30210)
Carnian237.0 - 228.0South Africa (Eastern Cape) Gontriglossa sp. (23004)
Carnian237.0 - 228.0Japan (Yamaguchi) Pityophyllum sp. 1 (30209)
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 - 228.0South Africa Gontriglossa sp. (23084)
Carnian - Norian237.0 - 208.5Russian Federation Pityophyllum sp. 1 (30511)
Carnian - Norian237.0 - 208.5China (Xinjiang) Pityophyllum sp. 1 (30016)
Carnian - Rhaetian237.0 - 201.3China (Ningxia) Pityophyllum sp. 1 (29878)
Carnian - Rhaetian237.0 - 201.3Russian Federation Pityophyllum sp. 1 (30737 30830)
Carnian - Rhaetian237.0 - 201.3Mongolia Pityophyllum sp. 1 (30299 30301)
Carnian - Rhaetian237.0 - 201.3China (Liaoning) Pityophyllum sp. 1 (29981)
Late/Upper Triassic237.0 - 201.3Russian Federation Pityophyllum sp. 1, Pityophyllum sp. 2 (30422)
Late/Upper Triassic237.0 - 201.3South Africa (Kwazulu-Natal) Gontriglossa sp. (23003 23015 23069 23070)
Late/Upper Triassic - Early/Lower Jurassic237.0 - 174.1Kazakhstan Pityophyllum sp. 1 (30242)