Polypodiopsida - Polypodiaceae
Alternative spelling: Onichiopsis
Parent taxon: Polypodiaceae according to F. H. Knowlton 1919
See also Andrews 1970, Chandra and Tewari 1991, Jud 2011 and Lakhanpal et al. 1976
Sister taxa: Acrostichaceae, Adiantites, Allantodiopsis, Anomalofilicites, Arthromeris, Aspidium, Asplenieae, Aspleniopteris, Asplenites, Astralopteris, Comptoniopteris, Cuddaloria, Davallites, Dennstaedtiopsis, Dipteridinae, Drynaria, Drynarioideae, Dryopterites, Gemmatosporis, Goniopteris, Grammitidoideae, Gymnogramma, Laevigatosporites, Lastrea, Lepisorus, Leptochilites, Loxogrammoideae, Meniphylloides, Meyeripollis, Microsoroideae, Microtaenia, Palaeosorum, Phanerophlebites, Phymatodes, Phymatopteris, Platycerioideae, Platyceriphyllum, Pleopeltis, Podoloma, Polypodiaceaesporites, Polypodieae, Polypodioideae, Praedeparia, Pterideae, Sphenomeris, Trichotomosulcites, Verrucatosporites
Subtaxa: Onychiopsis brevifolia Onychiopsis elongata Onychiopsis goepperti Onychiopsis latiloba Onychiopsis nervosa Onychiopsis paradoxus Onychiopsis psilotoides
Type: Onychiopsis elongata
Distribution:
• Cretaceous of Belgium (1 collection), Canada (4: Alberta, British Columbia), India (2), Japan (1), South Africa (3), Spain (1), United States (6: Alaska, Kansas, Wyoming)
• Jurassic to Cretaceous of India (2), Peru (1), the Russian Federation (4)
• Jurassic of Australia (1), China (34), Egypt (1), India (3), Israel (1), Japan (4), Madagascar (1), the Russian Federation (1), South Korea (1)
Total: 72 collections including 85 occurrences
Specimen images are retrieved through the ePANDDA API.
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