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Acritarcha (acritarchs)
Taxonomy
Acritarcha was named by Evitt (1963). It is considered to be a form taxon.
It was assigned to Eukaryota by Taylor et al. (2008).
It was assigned to Eukaryota by Taylor et al. (2008).
Subtaxa
Acanthodiacrodium, Acanthorytidodiacrodium, Acanthozonodiacrodium, Angularia, Appendisphaera, Applanopsis, Archaeodiscina, Archaeofavosina, Archaeohystrichosphaeridium, Archaeoperisaccus, Archaeopertusina, Artemisiocysta, Ascostomocystis, Asperatopsophosphaera, Asseserium, Asteridium, Bacillidinium, Bacisphaeridium, Baltisphaeridium, Brochopsophosphaera, Buedingiisphaeridium, Ceratocystidiopsis, Ceratosphaeridium, Chuaria, Circulisporites, Cirrifera, Clavaticystis, Codonia, Codoniella, Comasphaeridium, Concentricystes, Coronopsis, Cristallinium, Cyclodictyon, Cyclopsiella, Cymatiosphaera, Cymatiosphaeroides, Dasydiacrodium, Dasyrytidodiacrodium, Deunffia, Dictyosphaeridium, Dictyotidium, Dimastigobolus, Diplofusa, Disphaeria, Domasia, Domasiella, Epicephalopyxis, Estiastra, Eupoikilofusa, Filisphaeridium, Fromea, Gemmuloides, Gorgonisphaeridium, Granodiscus, Granomarginata, Halodinium, Halophoridia, Heliosphaeridium, Kildinella, Korilophyton, Korojonia, Lacunalites, Leiofusa, Leiomarginata, Leiominuscula, Leiopsophosphaera, Leiosphaera, Leiosphaeridium, Limbicysta, Lophodiacrodium, Lophominuscula, Lophorytidodiacrodium, Lophosphaeridium, Lophozonodiacrodium, Lunulidia, Lusatia, Margominuscula, Mecsekia, Megasacculina, Membranolimbus, Membranosphaera, Micrhystridium, Microconcentrica, Microforaminiferal, Microrugosina, Multifronsphaeridium, Nucellosphaeridium, Nummus, Ocalasphaera, Odontothrix, Ooidium, Operculites, Ophiobolus, Orygmatosphaeridium, Palaeobion, Palaeocryptidium, Palaeostomocystis, Paucilobimorpha, Peteinosphaeridium, Piperodinium, Platycystidia, Poikilofusa, Polyedrosphaeridium, Priscotheca, Protoarchaeosacculina, Protocridosphaeridium, Protoleiosphaeridium, Protosphaeridium, Prototrematosphaeridium, Pterocystidiopsis, Pterospermopsis, Pterosphaeridia, Quadrina, Quisquilites, Recticystis, Retisphaeridium, Rhombodella, Schismatosphaeridium, Schizocystia, Schizofusa, Simia, Simsangia, Singraulipollenites, Solisphaeridium, Spicadinium, Staplinium, Stictosphaeridium, Stylodiniopsis, Symplassosphaeridium, Synsphaeridium, Tanarium, Tetrabrachiophora, Trachydiacrodium, Trachyhystrichosphaera, Trachysphaeridium, Trematosphaeridium, Trigonopyxidia, Trigonopyxis, Variomargosphaeridium, Vavososphaeridium, Veryhachium, Wilsonastrum, Zonooidium, Zonosphaeridium
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Archaeohystrichosphaeridium Timofeev |
| 1959 | Dasyrytidodiacrodium Timofeev |
| 1960 | Microrugosina Naumova |
| 1963 | Acritarcha Evitt |
| 1963 | Asperatopsophosphaera Shepeleva and Timofeev |
| 2008 | Acritarcha Taylor et al. p. 1027 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Unr. †Acritarcha Evitt 1963 [acritarchs]
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G. †Acanthorytidodiacrodium Timofeev 1959
G. †Acanthozonodiacrodium Timofeev 1959
G. †Appendisphaera Moczydlowska et al. 1993
+
†Appendisphaera fragilis Moczydlowska et al. 1993
†Appendisphaera grandis Moczydlowska et al. 1993
†Appendisphaera tabifica Moczydlowska et al. 1993
†Appendisphaera tenuis Moczydlowska et al. 1993
G. †Applanopsis Doering 1961
+
†Applanopsis dampieri Balme 1957
†Applanopsis granulatus Venkatachala and Kar 1969
†Applanopsis ovatus Venkatachala and Kar 1969
†Applanopsis punctatus Venkatachala and Kar 1969
†Applanopsis segmentatus Balme 1961
G. †Archaeofavosina Naumova 1960
+
†Archaeofavosina naumovae Maithy 1975
†Archaeofavosina reticulata Maithy and Shukla 1977
†Archaeofavosina simplex Naumova 1960
†Archaeofavosina sinuta Maithy 1975
G. †Artemisiocysta Benedek 1972
G. Ascostomocystis Drugg and Loeblich 1967
G. †Asseserium Moczydłowska and Nagovitsin 2012
+
†Asseserium fusulentum Moczydłowska and Nagovitsin 2012
†Asseserium pyramidalis Moczydłowska and Nagovitsin 2012
G. †Asteridium Moczydlowska 1991
G. †Baltisphaeridium Eisenack 1958
+
†Baltisphaeridium acuminatum Kolosova 1991
†Baltisphaeridium longispinosum Eisenack 1958
G. †Brochopsophosphaera Shepeleva and Timofeev 1963
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†Brochopsophosphaera minimus Shepeleva and Timofeev 1963
G. †Ceratocystidiopsis Deflandre 1937
+
†Ceratocystidiopsis ludbrooki Cookson and Eisenack 1958
†Ceratocystidiopsis simplex Deflandre 1937
G. †Clavaticystis Habib and Knapp 1982
+
†Clavaticystis furcatus Schrank 2003
†Clavaticystis schopfii Habib and Knapp 1982
†Clavaticystis sepatus Schrank 2003
G. †Codonia Cookson and Eisenack 1960
G. †Cristallinium Vanguestaine 1978
G. Cyclopsiella Drugg and Loeblich 1967
G. †Cymatiosphaera Wetzel 1933
+
†Cymatiosphaera coronis Schrank 2003
†Cymatiosphaera delicata Cookson and Eisenack 1971
†Cymatiosphaera eupeplos Deflandre 1954
†Cymatiosphaera imitata Deflandre and Cookson 1955
†Cymatiosphaera muralis Schrank 2003
†Cymatiosphaera parva Sarjeant 1959
†Cymatiosphaera parvirugosa Schrank 2003
†Cymatiosphaera polyornata Schrank 2003
†Cymatiosphaera pterota Cookson and Eisenack 1958
†Cymatiosphaera punctifera Deflandre and Cookson 1955
†Cymatiosphaera radiata Wetzel 1933
†Cymatiosphaera rotunda Fensome 1990
†Cymatiosphaera stigmata Cookson and Eisenack 1958
†Cymatiosphaera triradiata Schrank 2003
†Cymatiosphaera wetzelii Deflandre 1954
G. †Dictyotidium Eisenack 1955
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†Dictyotidium dictyotum Eisenack 1938
†Dictyotidium fullerene Butterfield et al. 1994
G. †Domasiella Eisenack 1969
G. †Epicephalopyxis Deflandre 1935
+
†Epicephalopyxis adhaerens Deflandre 1935
†Epicephalopyxis spectabilis Cookson and Eisenack 1958
G. †Eupoikilofusa Cramer 1970
G. †Filisphaeridium Staplin et al. 1965
+
†Filisphaeridium paucigranulosum Schrank 2003
†Filisphaeridium setasessitante Jansonius 1962
G. †Fromea Cookson and Eisenack 1958
+
†Fromea acambra Sah et al. 1970
†Fromea amphora Cookson and Eisenack 1958
†Fromea atlantica Habib 1972
†Fromea fragilis Stover and Evitt 1962
†Fromea laevigata Stover and Evitt 1978
G. †Gemmuloides Samuelsson and Butterfield 2001
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†Gemmuloides doncookii Samuelsson and Butterfield 2001
G. †Granodiscus Mädler 1963
G. †Granomarginata Naumova 1960
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†Granomarginata minuta Maithy 1975
†Granomarginata prima Naumova 1961
†Granomarginata rotata Maithy and Shukla 1977
G. †Halodinium Bujak 1984
G. †Heliosphaeridium Moczydlowska 1991
G. †Kildinella Shepeleva and Timofeev 1963
+
†Kildinella giperboreica Shepeleva and Timofeev 1963
†Kildinella hyperboreica Timofeev 1966
†Kildinella lophostriata Jankauskas 1979
†Kildinella minuta Maithy and Shukla 1977
†Kildinella sinica Timofeev 1966
†Kildinella suketensis Maithy and Shukla 1977
†Kildinella timofeevii Maithy 1975
G. †Korilophyton Voronova 1976
G. †Lacunalites Hemer and Nygreen 1967
G. †Leiofusa Eisenack 1938
+
†Leiofusa actinomorpha Maithy 1975
†Leiofusa fusiformis Eisenack 1938
†Leiofusa jurassica Cookson and Eisenack 1958
G. †Leiosphaeridium Eisenack
G. †Limbicysta Marshall 1989
G. †Lophosphaeridium Timofeev 1959
+
†Lophosphaeridium granulatum Maithy 1975
†Lophosphaeridium rarum Timofeev 1959
G. †Lophozonodiacrodium Timofeev 1959
G. †Lusatia Burmann 1970
G. †Mecsekia Hajos 1966
+
†Mecsekia acuta Schrank 2003
†Mecsekia curvispina Schrank 2003
†Mecsekia triangula Schrank 2003
G. †Micrhystridium Deflandre 1937
+
†Micrhystridium bullosum Valensi 1953
†Micrhystridium dissimilare Volkova 1969
†Micrhystridium inconspicuum Deflandre 1937
†Micrhystridium lanatum Volkova 1969
†Micrhystridium lanceolatum Yin 1985
†Micrhystridium setulerum Wang and Luo 1983
†Micrhystridium stellatum Deflandre 1945
†Micrhystridium tornatum Yin and Li 1978
G. †Multifronsphaeridium Zang and Walt 1992
+
†Multifronsphaeridium ramosum Moczydłowska and Nagovitsin 2012
G. †Nucellosphaeridium Timofeev 1966
+
†Nucellosphaeridium magnum Maithy 1975
†Nucellosphaeridium minimum Maithy and Shukla 1977
†Nucellosphaeridium triangulatum Maithy 1975
†Nucellosphaeridium zonatum Maithy 1975
†Nucellosphaeridium zonatum Maithy and Shukla 1977
G. †Operculites Newman 1965
+
†Operculites bigranulatus Schrank 2003
†Operculites carbonis Newman 1965
G. †Orygmatosphaeridium Timofeev 1959
+
†Orygmatosphaeridium plicatum Maithy and Shukla 1977
†Orygmatosphaeridium ruminatum Timofeev 1959
†Orygmatosphaeridium trizonatum Maithy 1975
†Orygmatosphaeridium vulgarum Maithy 1975
G. †Palaeostomocystis Deflandre 1937
+
†Palaeostomocystis cylindrica Cookson and Eisenack 1960
†Palaeostomocystis reticulata Deflandre 1935
†Palaeostomocystis sinuosa Cookson and Eisenack 1960
G. †Paucilobimorpha de Coninck 1986
G. †Peteinosphaeridium Staplin et al. 1965
+
†Peteinosphaeridium bergstromii Staplin et al. 1965
†Peteinosphaeridium coronula Yin et al. 1998
G. Piperodinium Scott et al. 1984
G. †Protoleiosphaeridium Timofeev 1956
+
†Protoleiosphaeridium conglutinatum Timofeev 1956
†Protoleiosphaeridium densum Maithy 1975
†Protoleiosphaeridium laevigatum Maithy 1975
G. †Protosphaeridium Timofeev 1966
+
†Protosphaeridium densum Timofeev 1966
†Protosphaeridium volkovae Maithy and Shukla 1977
G. †Pterospermopsis Wetzel 1952
+
†Pterospermopsis aureolata Cookson and Eisenack 1958
†Pterospermopsis danica Wetzel 1952
†Pterospermopsis eurypteris Cookson and Eisenack 1958
†Pterospermopsis pelagica Eisenack 1954
G. †Pterosphaeridia Madler 1963
G. †Quadrina Bujak et al. 1980
G. †Schizocystia Cookson and Eisenack 1962
+
†Schizocystia laevigata Cookson and Eisenack 1962
†Schizocystia rugosa Cookson and Eisenack 1962
G. †Singraulipollenites Sinha 1969
+
†Singraulipollenites finitimus Sinha 1969
†Singraulipollenites indicus Sinha 1969
G. †Stictosphaeridium Timofeev 1962
+
†Stictosphaeridium implexum Timofeev 1966
†Stictosphaeridium podolense Timofeev 1962
G. †Symplassosphaeridium Timofeev 1969
+
†Symplassosphaeridium bulbosum Maithy and Shukla 1977
†Symplassosphaeridium bushimayensis Maithy 1975
G. †Synsphaeridium Eisenack 1965
G. †Tanarium Kolosova 1991
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†Tanarium anozos Willman 2008
†Tanarium conoideum Kolosova 1991
†Tanarium digitiformum Nagovitsin and Faizullin 2004
†Tanarium irregulare Moczydlowska et al. 1993
†Tanarium muntense Grey 2005
†Tanarium tuberosum Moczydlowska et al. 1993
G. †Trachyhystrichosphaera Timofeev et al. 1976
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†Trachyhystrichosphaera magna Allison 1989
†Trachyhystrichosphaera vidalii Knoll 1983
G. †Trachysphaeridium Timofeev 1966
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†Trachysphaeridium laufeldi Vidal 1976
†Trachysphaeridium levis Lopukhin 1971
G. †Trematosphaeridium Timofeev 1959
+
†Trematosphaeridium decoratum Timofeev 1959
†Trematosphaeridium zairiensis Maithy 1975
G. †Trigonopyxis Cookson and Eisenack 1960
G. †Vavososphaeridium Timofeev 1959
+
†Vavososphaeridium bharadwajii Salujha et al. 1971
†Vavososphaeridium michaelovski Timofeev 1959
†Vavosphaeridium densum Maithy 1975
†Vavosphaeridium vindhyanensis Maithy 1969
G. †Veryhachium Deunff 1954
+
†Veryhachium brevispinum Horowitz 1974
†Veryhachium downiei Stockmans and Williere 1962
†Veryhachium patulum Wicander 1974
†Veryhachium reductum Deunff 1958
†Veryhachium singulare Burger 1980
†Veryhachium trisulcum Deunff 1954
G. †Zonooidium Timofeev 1957
G. †Zonosphaeridium Timofeev 1959
+
†Zonosphaeridium densum Maithy 1975
†Zonosphaeridium foveolatum Maithy 1975
†Zonosphaeridium punctatum Maithy and Shukla 1977
Invalid names: Archaeohystrichosphaeridium Timofeev 1959 [nomen nudum], Asperatopsophosphaera Shepeleva and Timofeev 1963 [nomen nudum], Dasyrytidodiacrodium Timofeev 1959 [nomen nudum], Microrugosina Naumova 1960 [nomen nudum]
Diagnosis
No diagnoses are available