Polypodiopsida - Cyatheales - Polypodiidae
Nomenclatural later synonym of Polystichites K. Presl (1838), which is proposed by Doweld (in Taxon 62: 840. 2013) for conservation.
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Synonym: Polystichites Presl 1838 [replaced name]
Parent taxon: Cyatheaceae according to F. H. Knowlton 1919
See also Andrews 1970, Chandra and Tewari 1991, Doweld 2013, Lakhanpal et al. 1976 and Lapasha and Miller 1985
Sister taxa: Alsophila, Alsophilidites, Alsophilites, Alsophilocaulis, Cibotiocaulis, Cibotium, Conantiopteris, Cyathea, Cyatheites, Cyatheopteris, Cyathocaulis, Cyathodendron, Cyathoforma, Cyathoides, Cyathorachis, Dendropteridium, Dicksoniopsis, Fasciostelopteris, Haydenia, Hemitelites, Kulyisporites, Protocyathea, Pteridocaulis, Tympanophora, Yezopteris
Subtaxa: Coniopteris burejensis Coniopteris frutiformis Coniopteris hymenophylloides Coniopteris murrayana
Distribution:
• Cretaceous of Antarctica (2 collections), Australia (3), Canada (10: Alberta, British Columbia), China (1), India (5), Japan (1), Kazakhstan (2), the Russian Federation (18), Svalbard and Jan Mayen (2), United States (14: Alaska, Montana, Utah)
• Jurassic to Cretaceous of Argentina (1), Australia (2), Canada (4: British Columbia, Nunavut, Yukon), India (2), Peru (1), the Russian Federation (7)
• Jurassic of Afghanistan (3), Antarctica (2), Argentina (3), Australia (4), Belarus (4), China (143), France (1), Georgia (12), India (11), Iran (2), Japan (5), Kazakhstan (19), Kyrgyzstan (2), Madagascar (1), Mexico (4), Mongolia (5), New Zealand (5), Poland (1), Romania (8), the Russian Federation (179), Serbia and Montenegro (1), Sri Lanka (1), Tajikistan (26), Turkmenistan (1), Ukraine (6), the United Kingdom (20), United States (5: Colorado, Montana, Utah, Wyoming), Uzbekistan (12)
• Triassic to Jurassic of Kazakhstan (1)
• Triassic of Argentina (2), Australia (1), Austria (1), China (2), Lesotho (1), the Russian Federation (1), Svalbard and Jan Mayen (1), Ukraine (3)
• Permian of South Korea (1)
Total: 575 collections including 1160 occurrences
Specimen images are retrieved through the ePANDDA API.
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