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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Total: 66572

species valid

Williamsonia samylinae Turut.-Ket. Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 8, Paleobot., (4): 23. 12 Feb 1963

species valid

Williamsonia subtilis Turut.-Ket. Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 8, Paleobot., (4): 24. 12 Feb 1963

species valid

Williamsonia turkomanica Turut.-Ket. Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 8, Paleobot., (4): 24. 12 Feb 1963

species valid

Williamsoniella elegans Turut.-Ket. Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 8, Paleobot., (4): 32. 12 Feb 1963

species valid

Williamsonia pusilla T. Halle Wiss. Ergebn. Schwed. Südpol.-Exped. 1901-1903, 3(14): 70. 22 Jan 1913

species unavailable

Ptilophyllum pectenoides T. Halle Wiss. Ergebn. Schwed. Südpol.-Exped. 1901-1903, 3(14): 69. 22 Jan 1913

species unavailable

Ptilophyllum pectiniforme (Sternb. ex J.F. Krüger) T. Halle Wiss. Ergebn. Schwed. Südpol.-Exped. 1901-1903, 3(14): 69. 22 Jan 1913

species valid

Otozamites rowleyi Gee Palaeontographica, Abt. B, Paläophytol., 213(4–6): 189. Sep 1989

species valid

Otozamites linearis T. Halle Wiss. Ergebn. Schwed. Südpol.-Exped. 1901-1903, 3(14): 61. 22 Jan 1913

species valid

Zamites pachyphyllus T. Halle Wiss. Ergebn. Schwed. Südpol.-Exped. 1901-1903, 3(14): 60. 22 Jan 1913