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1 record found in the Index Nominum Genericorum database.

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Diacritical Conversion

Heleniella (M. D. Zalessky) M. D. Zalessky, Ivz. Akad. Nauk SSSR, Ser. 7, Otd. Fiz.-Mat. Nauk 1930: 663. 1930.
T.: H. tchirkovaeana (M. D. Zalessky) M. D. Zalessky (Sigillaria tchirkovaeana M. D. Zalessky)
Sigillaria subg. Heleniella M. D. Zalessky, Izv. Akad. Nauk SSSR, Ser. 7, Otd. Fiz.-Mat. Nauk 1930: 231. Apr 1930.
Stem; Lower Carboniferous; Papas-Tarama gorge, Staro-Besevo, Donetsk district, Russia.
FOSSIL-LYCOPSIDA-LEPIDODENDRALES (112) 24 Jan 2013

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