Achroonema Skuja, 1948 (original description)
Achroonema spiroideum Skuja, 1948 (original description)
Amphirhiza Skuja, 1948 (original description)
Amphirhiza epizootica Skuja, 1948 (original description)
Aphanothece microscopica f. endophytica Skuja, 1948 (original description)
Bicosoeca multiannulata Skuja, 1948 (original description)
Cecidochloris Skuja, 1948 (original description)
Chamaesiphon cylindrosporus Skuja, 1948 (original description)
Characiopsis curvata (G.M.Smith) Skuja, 1948 (new combination reference)
Characiopsis microcysticola Skuja, 1948 (original description)
Characiopsis umbilicata Skuja, 1948 (original description)
Chlamydomonas autumnalis Skuja, 1948 accepted as Gloeomonas autumnalis (Skuja) H.Ettl & O.Ettl, 1959 (original description)
Chlamydomonas foveolarum Skuja, 1948 (original description)
Chlamydomonas gloeopara Rodhe & Skuja, 1948 (original description)
Chlamydomonas gloeophila Skuja, 1948 (original description)
Chlamydomonas hypolimnica Skuja, 1948 accepted as Chloromonas hypolimnica (Skuja) Gerloff & Ettl, 1970 (original description)
Chlamydomonas lateralis Skuja, 1948 (original description)
Chlamydomonas pelophila Skuja, 1948 accepted as Chloromonas pelophila (Skuja) Gerloff & Ettl, 1970 (original description)
Chlamydomonas tremulans Skuja, 1948 (original description)
Chrysococcus cystophorus Skuja, 1956 (original description)
Chrysoxys Skuja, 1948 (original description)
Chrysoxys maior Skuja, 1948 (original description)
Cryptaulax Skuja, 1948 (original description)
Cryptaulax formica Skuja, 1948 (original description)
Cryptaulax longiciliatus Skuja, 1948 (original description)
Cryptaulax vulgaris Skuja, 1948 (original description)
Cryptomonas gracilis Skuja, 1948 (original description)
Cryptomonas marssonii Skuja, 1948 (original description)
Cryptomonas parapyrenoidifera Skuja, 1948 (original description)
Cryptomonas phaseolus Skuja, 1948 (original description)
Cryptomonas platyuris Skuja, 1948 (original description)
Cryptomonas reflexa Skuja, 1939 (ecology source)
Cryptomonas rostrata Skuja, 1948 (original description)
Cryptomonas tetrapyrenoidosa Skuja, 1948 (original description)
Dendromonas cryptostylis Skuja, 1948 (original description)
Euglena clara Skuja, 1948 (original description)
Euglena gasterosteus Skuja, 1948 (original description)
Euglena hemichromata Skuja, 1948 (original description)
Euglena subehrenbergii Skuja, 1948 (original description)
Eusphaerella Skuja, 1948 (original description)
Eutreptia thiophila Skuja, 1948 (original description)
Gloeotila pulchra Skuja, 1948 (original description)
Gymnodinium eurytopum Skuja, 1948 (original description)
Gymnodinium latum Skuja, 1948 (original description)
Gyromitus cordiformis Skuja, 1948 (original description)
Isthmochloron Skuja, 1948 (original description)
Isthmochloron lobulatum (Nägeli) Skuja, 1948 (new combination reference)
Isthmochloron trispinatum (West & G.S.West) Skuja, 1948 (new combination reference)
Katablepharis ovalis Skuja, 1948 (original description)
Melosira ambigua f. spiralis Skuja, 1948 (original description)
Monas coronifera Skuja, 1948 (original description)
Monochrysis Skuja, 1948 (original description)
Monochrysis aphanaster Skuja, 1948 (original description)
Monochrysis maior Skuja, 1948 (original description)
Monochrysis vesiculifera Skuja, 1948 (original description)
Monosiga varians Skuja, 1948 (original description)
Nephroselmis discoidea Skuja, 1948 (original description)
Ochromonas polychrysis Skuja, 1948 (original description)
Paramastix Skuja, 1948 (original description)
Paramastix conifera Skuja, 1948 (original description)
Paramastix truncata Skuja, 1948 (original description)
Paulschulzia Skuja, 1948 (original description)
Paulschulzia pseudovolvox (P.Schulz) Skuja, 1948 (original description)
Pseudanabaena articulata Sjuka, 1948 (original description)
Pseudopedinella elastica Skuja, 1948 (original description)
Pseudopedinella erkensis Skuja, 1948 (original description)
Radiocystis Skuja, 1948 (original description)
Radiocystis geminata Skuja, 1948 (original description)
Rhizaspis Skuja, 1948 (original description)
Rhizaspis granulata Skuja, 1948 (original description)
Rhizaspis simplex Skuja, 1948 (original description)
Rhodomonas tenuis Skuja, 1948 (original description)
Rhynchopodaceae (original description)
Rhynchopus Skuja, 1948 (original description)
Scherffelia pelagica Skuja, 1948 (original description)
Staurastrum eurycerum Skuja, 1948 (original description)
Tetraëdriella spinigera Skuja, 1948 (original description)
Tribonema ambiguum Skuja, 1948 (original description)
Uroglena volvox var. upplandica Skuja, 1948 (original description)