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Original spelling
Year (from/to)
Paleoregion
Africa
Africa (East)
Africa (Equatorial)
Africa (North)
Africa (South)
Africa (West)
Altaida (Altaides)
Altaj
America
America (Caribbean)
America (North)
America (North - Greenland)
America (South)
Anatolia
Angarida
Angarida (Mongolia)
Antarctica
Arctic
Australia
Australia (New Zealand)
Avalonia
Baltica
Cathaysia
Cathaysia (Kitakamiland)
Cathaysia (North)
Cathaysia (Sino-Korea)
Cathaysia (South)
Caucasus
China (North)
China (South)
Chingiz
Columbia (Amazonia)
Columbia (Australia)
Columbia (Baltica)
Columbia (East Antarctica)
Columbia (Greenland)
Columbia (Indostan)
Columbia (Kalahari)
Columbia (Laurentia)
Columbia (North Australia)
Columbia (North China)
Columbia (South Australia)
Columbia (South China)
Columbia (West Africa)
Columbia (West Australia)
Congo-São Francisco (Congo)
Eurasia
Eurasia (Anatolia)
Eurasia (Arabian peninsula)
Eurasia (Asia)
Eurasia (Asia Minor)
Eurasia (Caucasus)
Eurasia (Central Asia)
Eurasia (Central Asia and Caucasus)
Eurasia (Central Asia and Urals)
Eurasia (China)
Eurasia (Europe)
Eurasia (Europe & Urals)
Eurasia (Europe and Central Asia)
Eurasia (Europe and W Siberia)
Eurasia (Far East)
Eurasia (Far East & Central Asia)
Eurasia (Far East & China)
Eurasia (Far East and Japanese Archipelago)
Eurasia (Greenland)
Eurasia (Himalayas)
Eurasia (Indochina)
Eurasia (Indostan)
Eurasia (Japanese Archipelago)
Eurasia (Japanese Archipelago and Sakhalin)
Eurasia (Java Island)
Eurasia (Maritime Southeast Asia)
Eurasia (Mesopotamian Plain)
Eurasia (Middle East)
Eurasia (Novaja Zemlja Archipelago)
Eurasia (S Asia)
Eurasia (S Urals)
Eurasia (SE Asia)
Eurasia (Siberia)
Eurasia (Siberia and Central Asia)
Eurasia (Siberia and Far East)
Eurasia (South China)
Eurasia (South East)
Eurasia (Tarim Basin)
Eurasia (Tibet)
Eurasia (Urals)
Eurasia (W Asia)
Eurasia (W Asia & Caucasus)
Eurasia (W Siberia)
Eurasia (W Siberia & Central Asia)
Europe
Europe (Cis-Caspian)
Gondwana (Africa)
Gondwana (Antarctica)
Gondwana (Arabia)
Gondwana (Armorica)
Gondwana (Australia)
Gondwana (Indostan)
Gondwana (N Africa)
Gondwana (N Africa [Tethys palaeocean])
Gondwana (New Caledonia)
Gondwana (New Zealand)
Gondwana (Perunica)
Gondwana (S America)
Gondwana (Sardinia)
Gondwana (Saxo-Thuringia)
Gondwana (South Africa)
Gondwana (South America)
Kazakhstania
Kazakhstania (Xinjiang)
Kenorland (Baltica)
Kenorland (Kalaharia)
Kenorland (Laurentia)
Kenorland (Western Australia)
Kitakamiland
Laurentia
Laurussia
Laurussia (Anatolia)
Laurussia (Armorica)
Laurussia (Avalonia)
Laurussia (Avalonia & Baltica)
Laurussia (Baltica)
Laurussia (Cantabria)
Laurussia (Iberica)
Laurussia (Laurentia)
Laurussia (Moesia)
Laurussia (Moldanubia)
Laurussia (Perunica)
Laurussia (Rhenano-Hercynia)
Laurussia (Saxo-Thuringia)
Moldanubia
Mongolia (Western)
not specified
Pacific
Pamir-Alaj
Pannotia (Antarctica)
Pannotia (Indostan)
Pannotia (Siberia)
Perunica
Proangarida
Rodinia
Rodinia (Amazonia)
Rodinia (Australia)
Rodinia (Baltica)
Rodinia (Indostan)
Rodinia (Laurentia)
Rodinia (North China)
Rodinia (Rio Plato)
Rodinia (Siberia)
Rodinia (South China)
Siberia
Sibumasu
Superior Craton (Superior Craton)
Tibet
Tien Shan
Tien Shan (North)
Tien Shan (South)
Tuva
unknown
Vaalbara (Kaapvaal)
Vaalbara (Pilbara)
Xinjiang
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Name (desc.)
Year
Total: 263
species
valid
Sphenopteris joergensenii
(Heer)
Seward
Philos. Trans., Ser. B, 215(422):
86.
9 Aug 1926
species
valid
Sphenopteris groenlandica
(Heer)
Seward, V.M.Conway
Kongl. Svenska Vetensk.-Akad. Handl. N.F., Series 3, 15(3):
7.
31 Dec 1935
species
unavailable
Sphenopteris dentata
(Velen.)
Seward
Philos. Trans., Ser. B, 215(422):
85.
9 Aug 1926
species
valid
Sphenophyllostachys roemeri
(Solms)
Seward
Sci. Progr. (London, 1894–1900), 5(30):
437.
Aug 1896
species
valid
Sphenophyllostachys dawsonii
(Will.)
Seward
Sci. Progr. (London, 1894–1900), 5(30):
436.
Aug 1896
species
valid
Sewardia saportae
(Seward)
Seward
Quart. J. Geol. Soc. London, Part I, 69(273):
107.
25 Apr 1913
species
valid
Sequoites langsdorfii
(Brongn. ex Endl.)
Seward, Holttum
in
E.B. Bailey, Clough, W.B. Wright, Richey, G.V. Wilson
Tert. & Post-Tert. Geol. Mull
75.
1924
species
valid
Sequoites concinnus
(Heer)
Seward
Philos. Trans., Ser. B, 215(422):
102.
9 Aug 1926
species
valid
Selaginellites dawsonii
Seward
Quart. J. Geol. Soc. London, Part I, 69(273):
87.
25 Apr 1913
species
valid
Sciadopitytes eirikianus
(Heer)
Seward
Philos. Trans., Ser. B, 215(422):
106.
9 Aug 1926
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