The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2025

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Paleoregion

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Total: 69861

species valid

Helenia prisca Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 569. Jun 1931

species valid

Helenia bella Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 568. Jun 1931

species valid

Helenia genuina Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 567. Jun 1931

species valid

Helenia elegans Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 567. Jun 1931

species unavailable

Helenia stylensis Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Fiz.-Matem. Nauk, 1930, (3): 226. 26 Mar 1930

species valid

Helenia stylensis Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 566. Jun 1931

species valid

Helenia helenataramensis Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 566. Jun 1931

species valid

Helenia sinuosa Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 565. Jun 1931

species valid

Helenia undata Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 564. Jun 1931

species valid

Helenia costata Zalessky Izv. Akad. Nauk S.S.S.R., Ser. 7, Otdel. Matem. Estestv. Nauk, 1931, (4): 564. Jun 1931