IRMNG taxon details
original description
Izvestiia Akademii nauk SSSR. VII Seriia, Otdelenie Fizikomatematicheskikh Nauk 1929: -. [729-736] [details]
basis of record
original work/web search [details]
verified source for family
original work/web search [details]
extant flag source
original work/web search [details]
habitat flag source
original work/web search [details]
Unreviewed
Descriptive info Foliage; Upper Permian; Synia River, Petchora Basin, Russia. (Index Nominum Genericorum) [details]
Type species as cited Syniopteris demetria [details]
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