Class Gnetopsida Kirpotenko 1884

Gnetopsida

Parent taxon: Gnetophyta according to A. B. Doweld 2001

See also Mabberley 2000

Sister taxa: none

Subtaxa: Gontriglossa Pityophyllum

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Distribution:

• Cretaceous of Canada (10: Alberta, British Columbia collections), China (1), Kazakhstan (1), the Russian Federation (13), Svalbard and Jan Mayen (3), United States (21: Alaska)

• Jurassic to Cretaceous of Canada (3: British Columbia, Yukon), the Russian Federation (6)

• Jurassic of Belarus (4), China (72), Georgia (9), Germany (1), India (1), Iran (1), Kazakhstan (25), Kyrgyzstan (2), Mongolia (7), Poland (2), the Russian Federation (147), Tajikistan (19), Turkmenistan (1), Ukraine (5), United States (1: Montana), Uzbekistan (10)

• Triassic to Jurassic of Georgia (2), Kazakhstan (1)

• Triassic of Argentina (1), Chile (1), China (11), Japan (3), Kyrgyzstan (1), Mongolia (3), the Russian Federation (12), South Africa (7), South Korea (2), Tajikistan (1), Ukraine (4)

Total: 414 collections including 555 occurrences

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