Ab
Abdullaevia Suleymanov, 1965 †
Chromista → Rhizaria → Foraminifera → Lituolida → Spiroplectamminoidea → Nouriidae
†Abnormisphaera Tikhomirova 1986
- †Abnormisphaera intraentis Tikhomirova 1986
Chromista → Rhizaria → Radiozoa → Polycystina → Nassellaria
Ac
Acanthobotrys Popofsky 1913
Chromista → Rhizaria → Radiozoa → Polycystina → Nassellaria → Cannobotryidae
Porodica Acanthocerataceae Round et al., 1990
- Acanthoceras H.Honigmann, 1909
Chromista → Ochrophyta → Bacillariophyceae → Chaetocerotanae incertae sedis
- Acanthodesmia
Acanthogonyaulax C.A. Kofoid, 1911
- Acanthogonyaulax acanthosphaera (Sargeant) Sargeant
- Acanthogonyaulax paliuros (Sargeant) Sargeant
- Acanthogonyaulax spinifera (Murray & Whitting) H.W. Graham, 1942; tipična vrsta slika
- Acanthogonyaulax venusta (Klement) Sarjeant
Chromista → Dinophyta → Dinophyceae → Gonyaulacales → Gonyaulacaceae
- Acanthosphaera
- Achlya
- Achlyopsis
Porodica Achnanthaceae Kütz.
- Achnanthes Bory de Saint-Vincent, 1822
- Amphicocconeis M.De Stefano & D.Marino, 2002
- [[Haloroundia]] C.A.Düaz & N.I.Maidana, 2006
- Platessa Lange-Bertalot, 2004
Chromista → Ochrophyta → Bacillariophycanae → Bacillariophyceae → Achnanthales
Red Achnanthales P.C. Silva, 1962
- Achnanthaceae Kützing, 1844
- Achnanthidiaceae D.G. Mann
- Cocconeidaceae Kützing, 1844
Chromista → Ochrophyta → Bacillariophycanae → Bacillariophyceae
†Aciculella Vyalov, 1968
Chromista → Foraminifera → Astrorhizida → Hippocrepinoidea → Hippocrepinidae
- Acrobotrys
- Acrosphaera
- Actinomma
- Actinommidae
- Actinopodea
- Actinosphaera
Acuturris F.H.Wind & S.W.Wise, 1977
- Acuturris scotus (J.B.Risatti) F.H.Wind & S.W.Wise[1]
Chromista → Chromista incertae sedis[2]
Ae
Aegyriana Song & Wilbert, 2002
- Aegyriana oliva (Claparède & Lachmann, 1859) Song & Wilbert, 2002
- Aegyriana paroliva Song & Wilbert, 2002
Chromista → Ciliophora → Phyllopharyngea → Phyllopharyngia → Dysteriida → Hartmannulidae
Af
†Afens Riedel and Sanfilippo 1974
- †Afens liriodes Riedel and Sanfilippo 1974
Chromista → Rhizaria → Radiozoa → Polycystina → Nassellaria
Ak
†Aktinorbitoides Brönnimann, 1958
Chromista → Foraminifera → Globothalamea → Rotaliida → Rotalioidea → Pseudorbitoididae
Al
Albaretia
- Albaretia maxima
- Albaretia terroni (Affa'a, 1986) Affa'a in Aescht, 2001
Chromista → Ciliophora → Heterotrichea → Heterotrichida → Sicuophoridae
- Albuginaceae
- Albuginales
- Albugo
Alisphaera Heimdal, 1973
- Alisphaera capulata Heimdal, 1981
- Alisphaera extenta Kleijne, R.W.Jordan, Heimdal, Samtleben, A.H.L.Chamberlain & Cros, 2002
- Alisphaera gaudii Kleijne, Jordan, Heimdal, Samtleben, Chamberlain & Cros, 2002
- Alisphaera ordinata (Kamptner) Heimdal, 1973
- Alisphaera pinnigera Kleijne, Jordan, Heimdal, Samtleben, A.H.L.Chamberlain & Cros, 2002
- Alisphaera quadrilatera Kleijne, Jordan, Heimdal, Samtleben, Chamberlain & Cros, 2002
- Alisphaera uncinata Kleijne, Jordan, Heimdal, Samtleben, A.H.L.Chamberlain & Cros, 2002
- Alisphaera unicornis Okada & McIntyre, 1977
Chromista → Hacrobia → Haptophyta → Haptophyta incertae sedis → Alisphaeraceae
Alisphaeraceae J.R.Young, Kleijne & Cros
- Rodovi: Alisphaera, Canistrolithus, Polycrater
Chromista → Hacrobia → Haptophyta → Haptophyta incertae sedis
- Althornia
Alveovallum Lange-Bertalot & Krammer, 2000
- Alveovallum beyensii Lange-Bertalot & Krammer, 2000
- Alveovallum wijkense (Foged) D.Metzeltin & H.Lange-Bertalot, 2009
Chromista → Ochrophyta → Bacillariophyceae → Naviculales → Naviculaceae
Infrcarstvo Alveolata Cavalier-Smith
- Ciliophora
- Myzozoa Cavalier-Smith & Chao
Alveus I.Kaczmarska & G.A.Fryxell, 1996
- Alveus marinus (Grunow) I.Kaczmarska & G.A.Fryxell
Chromista → Ochrophyta → Bacillariophyceae → Bacillariales → Bacillariaceae
Am
Amaurolithus S.Gartner & D.Bukry, 1975
- Amaurolithus ninae K.Perch-Nielsen †
- Amaurolithus peregrinus Chongyou Wang †
Chromista → Chromista incertae sedis
- Amphifila
- Amphifilidae
- Amphimelissa
- Amphiplecta
- Amphirhopalum
- Amphisphaera
- Amphispyris
- Amphitholus
An
- Androcyclas
- Androspyris
- Anisolpidiaceae
- Anisolpidiales
- Anisolpidium
- Anomalacantha
Ansulasphaera Grun & Zweilli, 1980 †
- Ansulasphaera covingtonii de Kaenel and Bergen 1996
- Ansulasphaera helvetica Grün & Zweili, 1980
Chromista → Haptophyta → Prymnesiophyceae → Watznaueriales → Watznaueriaceae
- Antarctissa
- Anthocyrtidium
- Anthocyrtium
Ap
- Aphanodictyon
- Aphanomyces
- Aphanomycopsis
Podkoljeno Apicomplexa
- Razred Apicomonadea
- Razred Apicomplexa incertae sedis
- Red Chromerida
- Infrakoljeno Sporozoa
Chromista → Harosa → Alveolata → Myzozoa
- Aplanes
- Aplanochytriidae
- Aplanochytrium
- Aplanopsis
- Apodachlya
- Apodachlyella
- Apodachlyellaceae
Aq
Aqualinderella R. Emers. & W. Weston
- Aqualinderella fermentans R. Emers. & W. Weston, 1967
Chromista → Hacrobia → Oomycota → Peronosporea → Peronosporidae → Rhipidiales → Rhipidiaceae
Aquaperonospora W.H. Ko, 2010
- Aquaperonospora taiwanensis W.H. Ko 2010
Chromista → Oomycota → Peronosporea → Pythiales → Pythiaceae
Ar
- Arachnocalpis
- Arachnocorallium
- Arachnocorys
- Arachnosphaera
- Araiospora
- Archiphormididae
- Archiscenium
Arcuospathidium Foissner, 1984
- Arcuospathidium atypicum (Wenzel, 1953) Foissner, 1998
- Arcuospathidium bulli Foissner, 2000
- Arcuospathidium cooperi Foissner, 1996
- Arcuospathidium cultriforme Penard
- Arcuospathidium cultriforme subsp. cultriforme (Penard, 1922) Foissner, 1984
- Arcuospathidium cultriforme subsp. megastoma Foissner, Agatha & Berger, 2002
- Arcuospathidium cultriforme subsp. scalpriforme (Kahl, 1930) Foissner, 2003
- Arcuospathidium deforme Foissner & Xu, 2007
- Arcuospathidium etoschense Foissner, Agatha & Berger, 2002
- Arcuospathidium lorjeae Foissner, Agatha & Berger, 2002
- Arcuospathidium multinucleatum Foissner, 1999
- Arcuospathidium muscorum (Dragesco & Dragesco-Kernéis, 1979) Foissner, 1984
- Arcuospathidium muscorum subsp. muscorum Dragesco & Dragesco-Kernéis, 1979
- Arcuospathidium muscorum subsp. rhopaloplites Foissner & Xu, 2007
- Arcuospathidium namibiense Foissner, Agatha & Berger
- Arcuospathidium namibiense subsp. namibiense Foissner, Agatha & Berger, 2002
- Arcuospathidium namibiense subsp. tristicha Foissner, Agatha & Berger, 2002
- Arcuospathidium pachyoplites Foissner, 2003
- Arcuospathidium pelobium Foissner & Xu, 2007
- Arcuospathidium vermiforme Foissner, 1984
- Arcuospathidium virugense Foissner & Xu, 2007
- Arcuospathidium vlassaki Foissner, 2000
Chromista → Ciliophora → Gymnostomatea → Spathidiida → Arcuospathidiidae
†Red Arkhangelskiales Bown and Hampton 1997
- †Arkhangelskiellaceae Bukry 1969
- †Kamptneriaceae Bown and Hampton 1997
Chromista → Haptophyta → Prymnesiophyceae
†Arkhangelskiella Vekshina 1959
- †Arkhangelskiella confusa Burnett 1998
- †Arkhangelskiella cymbiformis Vekshina 1959
- †Arkhangelskiella maastrichtiana Burnett 1998
- †Arkhangelskiella paucipunctata Moshkovitz and Osmond 1989
- †Arkhangelskiella regina Burnett 1998
- †Arkhangelskiella specillata Vekshina 1959
Chromista → Haptophyta → Prymnesiophyceae → Arkhangelskiales → Arkhangelskiellaceae
†Porodica Arkhangelskiellaceae Bukry 1969
- †Acaenolithus Black 1973
- †Arkhangelskiella Vekshina 1959
- †Aspidolithus Noël 1969
- †Broinsonia Bukry 1969
- †Thiersteinia Wise and Watkins 1983
Chromista → Haptophyta → Prymnesiophyceae → Arkhangelskiales
- Artobotrys
- Artopilium
- Artostrobiidae
- Artostrobus
As
Podrod Asiamoeba
Chromista → Myzozoa → Aconoidasida → Haemosporida → Plasmodiidae → Plasmodium
- Astracantha
- Astracanthidae
- Astrosphaera
At
- Atkinsiella
Au
- Aulacantha
- Aulacanthidae
- Aurantiochytrium
Av
Avelia Nouzarède, 1977
- Avelia arcachonense Nouzarède, 1975
- Avelia gigas Dragesco, 1960
- Avelia martinicense Nouzarède, 1975
- Avelia multinucleata Dragesco, 1999
Chromista → Ciliophora → Karyorelictea → Protoheterotrichida → Geleiidae
Avestina (Buitkamp, 1977) Jankowski, 1980
- Avestina acuta (Buitkamp, 1977) Jankowski, 1980
- Avestina ludwigi Aescht & Foissner, 1990
Chromista → Ciliophora → Colpodea → Colpodida → Hausmanniellidae
Ax
†Axopodorhabdus F.H.Wind & S.W.Wise, 1977
- Axopodorhabdus albianus (M.Black) F.H.Wind & S.W.Wise
- Axopodorhabdus cylindratus (D.Noël) F.H.Wind & S.W.Wise - tip
- Axopodorhabdus dietzmannii (P.Reinhardt) F.H.Wind & S.W.Wise
- Axopodorhabdus fusiformis (M.Black) F.H.Wind & S.W.Wise
- Axopodorhabdus gorkae (P.Reinhardt) F.H.Wind & S.W.Wise
- Axopodorhabdus gracilis (M.Black) F.H.Wind & S.W.Wise
Chromista → Hacrobia → Haptophyta → Haptophyta incertae sedis
Axoprunum Haeckel, 1887
- Axoprunum stauraxonium Haeckel, 1887
Chromista → Rhizaria → Radiozoa → Polycystina → Spumellaria → Actinommidae
Ay
Ayrtonius Sugiyama 1997 †
- †Ayrtonius elizabethae Sugiyama 1997
Chromista → Rhizaria → Radiozoa → Polycystina → Nassellaria
Az
Azpeitia M.Peragallo, 1912
- Azpeitia africana (Janisch ex A.Schmidt) G.Fryxell & T.P.Watkins
- Azpeitia antiqua (Pantocseck) P.A.Sims
- Azpeitia barronii G Fryxell & T.P.Watkins
- †Azpeitia biannulata P.A.Sims
- †Azpeitia gombosii D.M.Harwood & T.Maruyama
- Azpeitia neocrenulata (S.L.VanLandingham) G.Fryxell & T.P.Watkins
- Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
- Azpeitia obscura (Greville) P.A.Sims
- Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986
Chromista → Ochrophyta → Bacillariophyceae → Coscinodiscales → Hemidiscaceae
†Azpeitiopsis P.A.Sims, 1994
- †Azpeitiopsis morenoensis (G.D.Hanna) P.A.Sims
Chromista → Ochrophyta → Bacillariophyceae → Stictodiscales → Benetoraceae