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Total: 165

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Genus Permophyllum Zalessky Probl. Paleontol., (2-3): 70. 19 Jul 1937

genus valid

Genus Permopteridium Zalessky Probl. Paleontol., 5: 353. 17 Oct 1939

genus valid

Genus Permosperma Zalessky Probl. Paleontol., 5: 372. 17 Oct 1939

genus valid

Genus Permotheca Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Fiz.-Matem. Nauk, 1929, (7): 688. Dec 1929

genus unavailable

Genus Petcheria Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Fiz.-Matem. Nauk, 1930, (9): 916. Dec 1930

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

genus unavailable

Genus Petzia Zalessky

genus unavailable

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

genus valid

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

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