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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).
It was assigned to Gymnospermae by Mabberley (2000); and to Gnetophyta by Doweld (2001).
Subtaxa
Synonymy list
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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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Or. Gnetales Martius 1835
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G. †Alaticolpites Regali et al. 1975 [elaterate]
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†Alaticolpites limai Regali et al. 1975 [elaterate]
G. †Elaterocolpites Jardiné and Magloire 1965 [elaterate]
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†Elaterocolpites africaensis Herngreen 1973
†Elaterocolpites castelaini Jardiné and Magloire 1962
†Elaterocolpites castelainii Jardiné and Magloire 1965
†Elaterocolpites castelani Herngreen 1973 [elaterate]
†Elaterocolpites pentarhetus Srivastava 1984 [elaterate]
G. †Elaterosporites Jardiné 1967 [elaterate]
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†Elaterosporites acuminatus Jardiné 1967 [elaterate]
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Invalid names: Galeacornea acuminata Stover 1963 [synonym]
†Elaterosporites castellaini Jardine and Magloire 1965
†Elaterosporites klaszi Jardiné 1967 [elaterate]
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Invalid names: Galeacornea klaszi Jardiné and Magloire 1965 [objective synonym]
†Elaterosporites klaszii Jardiné 1967
†Elaterosporites protensus Jardiné 1967 [elaterate]
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Invalid names: Galeacornea protensa Stover 1963 [objective synonym]
†Elaterosporites verrucatus Jardiné 1967 [elaterate]
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Invalid names: Galeacornea verrucata Jardiné and Magloire 1965 [objective synonym]
G. †Steevesipollenites Stover 1964
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†Steevesipollenites binodosus Stover 1964
†Steevesipollenites binodosus Stover 1964
†Steevesipollenites cupuliformis Azema and Boltenhagen 1974
†Steevesipollenites dajani Brenner 1968
†Steevesipollenites dayani Brenner 1968
†Steevesipollenites grambasti Azema and Boltenhagen 1974
†Steevesipollenites multilineatus Stover 1964
†Steevesipollenites orbiculatus Stover 1964
†Steevesipollenites patapscoensis de Lima 1980
†Steevesipollenites pentacostatus Regali 1989
†Steevesipollenites pygmeus Azema and Boltenhagen 1974
†Steevesipollenites sinuosus Azema and Boltenhagen 1974
†Steevesipollenites stoverii Deaf et al. 2014
Fm. Welwitschiaceae Caruel 1879
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G. Welwitschia Hooker 1862
G. †Welwitschiapites Bolkhovitina
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†Welwitschiapites canaliculus Lele and Kulkarni 1969
†Welwitschiapites extansus Bharadwaj and Salujha 1964
†Welwitschiapites magnus Maithy 1965
†Welwitschiapites minutus Maithy 1965
†Welwitschiapites tenuis Bharadwaj and Salujha 1964
Invalid names: Gnetaceae Lindley 1834 [empty]
G. †Pityophyllum Nathorst 1899
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†Pityophyllum nordenskioeldi Heer 1899
†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 Sakmarian to the top of the Early/Lower Eocene or 293.52000 to 48.07000 Ma
Minimum age of oldest fossil (stem group age): 290.1 Ma
Minimum age of oldest fossil (stem group age): 290.1 Ma
Collections (669 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Permian | India (Jharkhand) | Welwitschiapites tenuis (224608) | |
| Sakmarian | India | Welwitschiapites canaiculus (30147) Welwitschiapites magnus (30151) | |
| Sakmarian | India (Jharkhand) | Welwitschiapites magnus, Welwitschiapites minutus (225321) | |
| Artinskian - Kungurian | India (Jharkhand) | Welwitschiapites tenuis (224664 224701 224722) | |
| Wordian - Lopingian | India | Welwitschiapites extansus, Welwitschiapites tenuis (30166) | |
| Wuchiapingian | China (Shanxi) | Palaeognetaleana auspicia (242112) | |
| Lopingian | India (West Bengal) | Welwitschiapites extansus, Welwitschiapites tenuis (224894) | |
| Lopingian | India (Madhya Pradesh) | Welwitschiapites sp. (224895) | |
| Anisian | China (Liaoning) | Pityophyllum sp. 1 (29984) | |
| Anisian - Ladinian | Mongolia | Pityophyllum sp. 1 (30302) | |
| Anisian - Ladinian | China (Gansu) | Pityophyllum sp. 1 (29705) | |
| Middle Triassic | Argentina (Mendoza) | Gontriglossa sp. (200132) | |
| Ladinian | Japan (Yamaguchi) | Pityophyllum sp. 1 (30210) | |
| Carnian | South Africa (Eastern Cape) | Gontriglossa sp. (23004) | |
| Carnian | South Africa | Gontriglossa sp. (23084) | |
| Carnian | South Africa (Kwazulu-Natal) | Gontriglossa sp. (23002) | |
| Carnian | Chile | Gontriglossa reinerae (201288) | |
| Carnian | Russian Federation | Pityophyllum sp. 1 (30416 30818) | |
| Carnian | Japan (Yamaguchi) | Pityophyllum sp. 1 (30209) | |
| Carnian - Norian | Russian Federation | Pityophyllum sp. 1 (30511) | |