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Total: 26

genus valid

Genus Angrenia Sixtel in Zanina Novye Vidy Drevn. Rast. Bespozv. SSSR, ([3]): 324. 3 Oct 1972

genus valid

Genus Czatkalia Sixtel in Sixtel, Iskandarkh., Savizk., Yu.V. Stank. in Sixtel Paleobot. Uzbekist., 3: 136. 1981

genus unavailable

Genus Didymosaccus Prynada ex Sixtel Trudy Akad. Nauk Tadzhiksk. S.S.R., 2: 53. 5 Jun 1952

genus valid

Genus Dreshocarpus Sixtel in Sixtel, Iskandarkh., Savizk., Yu.V. Stank. in Sixtel Paleobot. Uzbekist., 3: 142. 1981

genus valid

Genus Ferganopteris Sixtel in Rzhonsn. Stratigr. Paleontol. Uzbekist., 1: 400. 7 Mar 1963

genus valid

Genus Guzania Sixtel, Savizk. in Sixtel, Savizk., Iskandarkh. in Sixtel Biostratigr. Verkhn. Paleoz. Yuzhn. Fergany 138. 3 Oct 1975

genus valid

Genus Hissarella Sixtel Fitostratigr. Permi Sred. Azii 25. 18 Jul 1966

genus unavailable

Genus Hissaropteris Kuzitch., Sixtel Uchenye Zap. Sredneaziatsk. Nauchn.-Issled. Inst. Geol. Miner. Syr., (7): 11. 1962

genus valid

Genus Hissaropteris Sixtel Trudy Tashkentsk. Gos. Univ., New Series, (176 (13) [1960]): 61. 8 Jul 1961

genus valid

Genus Kandyria Sixtel, Kuzitch., Savizk., Chudajb., Schvezova in Sixtel Paleobot. Uzbekist., 2: 67. 1971

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