List of eukaryotic species that belong to picoplankton, meaning one of their cell dimensions is smaller than 3 μm.

Autotrophic species[edit]

Chlorophyta[edit]

Chlorophyceae[edit]

• Stichococcus cylindricus Butcher, 3 – 4.5 μm, brackish

Pedinophyceae[edit]

• Marsupiomonas pelliculata Jones et al., 3 – 3 μm, brackish-marine
• Resultor micron Moestrup, 1.5 – 2.5 μm, marine

Prasinophyceae[edit]

• Bathycoccus prasinos Eikrem et Throndsen, 1.5 – 2.5 μm, marine
• Crustomastix stigmatica Zingone, 3 – 5 μm, marine
• Dolichomastix lepidota Manton, 2.5 – 2.5 μm, marine
• Dolichomastix eurylepidea Manton, 3 μm, marine
• Dolichomastix tenuilepis Throndsen et Zingone, 3 – 4.5 μm, marine
• Mantoniella squamata Desikachary, 3 – 5 μm, marine
• Micromonas pusilla Manton et Parke, 1 – 3 μm, marine
• Ostreococcus tauri Courties et Chrétiennot-Dinet, 0.8 – 1.1 μm, marine
• Picocystis salinarum Lewin, 2 – 3 μm, hypersaline
• Prasinococcus capsulatus Miyashita et Chihara, 3 – 5.5 μm, marine
• Prasinoderma coloniale Hasegawa et Chihara, 2.5 – 5.5 μm, marine
• Pseudoscourfieldia marina Manton, 3 – 3.5 μm, marine
• Pycnococcus provasolii Guillard, 1.5 – 4 μm, marine
• Pyramimonas virginica Pennick, 2.7 – 3.5 μm, marine

Trebouxiophyceae[edit]

• Chlorella nana Andreoli et al., 1.5 – 3 μm, marine
• Picochlorum oklahomensis Henley et al., 2 – 2 μm, hypersaline
• Picochlorum atomus Henley et al., 2 – 3 μm, brackish
• Picochlorum eukaryotum Henley et al., 3 – 3 μm, marine
• Picochlorum maculatus Henley et al., 3 – 3 μm, brackish

Cryptophyta[edit]

Cryptophyceae[edit]

• Hillea marina Butcher, 1.5 – 2.5 μm, marine

Haptophyta[edit]

Prymnesiaceae[edit]

• Chrysochromulina tenuisquama Estep et al., 2 – 5 μm, marine
• Chrysochromulina minor Parke et Manton, 2.5 – 7.5 μm, marine
• Chrysochromulina apheles Moestrup et Thomsen, 3 – 4 μm, marine
• Dicrateria inornata Parke, 3 – 5.5 μm, marine
• Ericiolus spiculiger Thomsen, 3 – 3.8 μm, marine
• Imantonia rotunda Reynolds, 2 – 4 μm, marine
• Phaeocystis cordata Zingone, 3 – 4 μm, marine
• Phaeocystis pouchetii Lagerheim, 3 – 8 μm, marine
• Trigonaspis minutissima H.A.Thomsen, 2 – 3.6 μm, marine

Heterokontophyta (Stramenopiles)[edit]

Bacillariophyceae[edit]

• Minidiscus comicus Takano, 2 – 7 μm, marine
• Minidiscus trioculatus Hasle, 2.5 – 3.8 μm, marine
• Minidiscus spinulosus Gao, Chang et Chin, 3 – 5 μm, marine
• Minidiscus chilensis Rivera, 3 – 7.5 μm, marine
• Minutocellus polymorphus Hasle, von Stosch et Syverstsen, 2 – 30 μm, marine
• Minutocellus scriptus Hasle, von Stosch et Syverstsen, 3 – 36 μm, marine
• Skeletonema menzelii Guillard, Carpenter et Reimann, 2 – 7 μm, marine
• Skeletonema pseudocostatum Medlin, 2 – 9 μm, marine
• Skeletonema japonicum Zingone et Sarno, 2 – 10 μm, marine
• Skeletonema grethae Zingone et Sarno, 2 – 10.5 μm, marine
• Skeletonema marinoi Sarno et Zingone, 2 – 12 μm, marine
• Thalassiosira pseudonana Hasle et Heimdal, 2.3 – 5.5 μm, marine

Bolidophyceae[edit]

• Bolidomonas pacifica Guillou et Chrétiennot-Dinet, 1 – 1.7 μm, marine
• Bolidomonas mediterranea Guillou et Chrétiennot-Dinet, 1 – 1.7 μm, marine

Chrysophyceae[edit]

• Ollicola vangoorii Conrad (Vors), 2.5 – 5 μm, marine
• Tetraparma pelagica Booth et Marchant, 2.2 – 2.8 μm, marine
• Tetraparma insecta Bravo-Sierra et Hernández-Becerril, 2.8 – 3.8 μm, marine
• Triparma laevis Booth, 2.2 – 3.1 μm, marine
• Triparma columacea Booth, 2.3 – 4.7 μm, marine
• Triparma retinervis Booth, 2.7 – 4.5 μm, marine

Dictyochophyceae[edit]

• Florenciella parvula Eikrem, 3 – 6 μm, marine

Eustigmatophyceae[edit]

• Nannochloropsis granulata Karlson et Potter, 2 – 4 μm, marine
• Nannochloropsis salina Hibberd, 3 – 4 μm, brackish
• Nannochloropsis oceanica Suda et Miyashita, 3 – 5 μm, marine

Pelagophyceae[edit]

• Aureococcus anophagefferens Hargraves et Sieburth, 1.5 – 2 μm, marine
• Aureoumbra lagunensis Stockwell et al., 2.5 – 5 μm, marine
• Pelagococcus subviridis Norris, 2.5 – 5.5 μm, marine
• Pelagomonas calceolata Andersen et Saunders, 2 – 3 μm, marine

Pinguiophyceae[edit]

• Pinguiochrysis pyriformis Kawachi, 1 – 3 μm, marine
• Pinguiococcus pyrenoidosus Andersen et al., 3 – 8 μm, marin

Heterotrophic species[edit]

Cercozoa[edit]

Cercomonadida[edit]

• Massisteria marina Larsen et Patterson, 2.5 – 6.5 μm, marine

Plasmodiophorida[edit]

• Phagomyxa odontellae Kühn, Schnepf & Bulman, 3 – 4 μm, marine

Stramenopiles[edit]

Bicosoecida[edit]

• Caecitellus parvulus Patterson et al., 3 – 10 μm, marine
• Pseudobodo minima Ruinen, 2 μm, marine
• Symbiomonas scintillans Guillou et Chrétiennot-Dinet, 1.2 – 1.5 μm, marine

Chrysophyceae[edit]

• Paraphysomonas imperforata Lucas, 1.7 – 5.1 μm, marine
• Paraphysomonas corbidifera Pennick and Clarke, 2 – 3.25 μm, marine
• Paraphysomonas antarctica Takahashi, 2 – 4.3 μm, marine
• Paraphysomonas caelifrica Preisig and Hibberd, 2.5 – 5 μm, marine
• Paraphysomonas cribosa Lucas, 3 – 4 μm, marine
• Paraphysomonas sideriophora Thomsen, 3 – 5 μm, marine
• Paraphysomonas capreolata Preisig and Hibberd, 3 – 6.5 μm, marine
• Paraphysomonas gladiata Preisig and Hibberd, 3 – 8 μm, marine
• Picophagus flagellatus Guillou et Chrétiennot-Dinet, 1.4 – 2.5 μm, marine