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Total: 165

genus unavailable

Genus Radiculites Zalessky Probl. Paleontol., (2-3): 191. 19 Jul 1937

genus valid

Genus Pursongia Zalessky 1233.

genus valid

Genus Phyllopitys Zalessky 1114.

genus unavailable

Genus Phyllopitys Zalessky Trudy Geol. Komit., 1918, (174): 23, 54. 27 Nov - 15 Dec 1920

genus valid

Genus Phylladodesme Zalessky Bull. Soc. Géol. France, Series 4[1929], 29(3-4-5): 196. 7 Feb 1930

genus valid

Genus Phylladoderma Zalessky Gondv. Fl. Bass. Reki Pechory, Adz'va 78 [24]. 1913

genus unavailable

Genus Pholidophyllum Zalessky Probl. Paleontol., (2-3): 81. 19 Jul 1937

genus unavailable

Genus Petzia Zalessky

genus valid

Genus Petcheropteris Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (5): 705. Jul 1931

genus unavailable

Genus Petcheropteris Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Fiz.-Matem. Nauk, 1930, (9): 915. Dec 1930