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Gnetophyta
Taxonomy
Gnetophyta was named by Bessey (1907). It is extant.
It was assigned to Cycadophytanae by Doweld (2001).
It was assigned to Cycadophytanae by Doweld (2001).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Gnetophyta Bessey p. 323 |
| 2001 | Gnetophyta Doweld |
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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.
Ph. Gnetophyta Bessey 1907
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Cl. Gnetopsida Kirpotenko 1884
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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 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
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 |
|---|---|---|---|
| Anisian | China (Liaoning) | Pityophyllum sp. 1 (29984) | |
| Anisian - Ladinian | China (Gansu) | Pityophyllum sp. 1 (29705) | |
| Anisian - Ladinian | Mongolia | Pityophyllum sp. 1 (30302) | |
| Middle Triassic | Argentina (Mendoza) | Gontriglossa sp. (200132) | |
| Ladinian | Japan (Yamaguchi) | Pityophyllum sp. 1 (30210) | |
| Carnian | Russian Federation | Pityophyllum sp. 1 (30416 30818) | |
| Carnian | South Africa (Kwazulu-Natal) | Gontriglossa sp. (23002) | |
| Carnian | Japan (Yamaguchi) | Pityophyllum sp. 1 (30209) | |
| Carnian | South Africa (Eastern Cape) | Gontriglossa sp. (23004) | |
| Carnian | South Africa | Gontriglossa sp. (23084) | |
| Carnian | Chile | Gontriglossa reinerae (201288) | |
| Carnian - Norian | China (Xinjiang) | Pityophyllum sp. 1 (30016) | |
| Carnian - Norian | Russian Federation | Pityophyllum sp. 1 (30511) | |
| Late/Upper Triassic | South Africa (Kwazulu-Natal) | Gontriglossa sp. (23003 23015 23069 23070) | |
| Late/Upper Triassic | Russian Federation | Pityophyllum sp. 1, Pityophyllum sp. 2 (30422) | |
| Carnian - Rhaetian | Russian Federation | Pityophyllum sp. 1 (30737 30830) | |
| Carnian - Rhaetian | China (Liaoning) | Pityophyllum sp. 1 (29981) | |
| Carnian - Rhaetian | China (Ningxia) | Pityophyllum sp. 1 (29878) | |
| Carnian - Rhaetian | Mongolia | Pityophyllum sp. 1 (30299 30301) | |
| Late/Upper Triassic - Early/Lower Jurassic | Kazakhstan | Pityophyllum sp. 1 (30242) | |