Scenedesmus arcuatus var. capitatus G.Smith Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Chlorophyta class Chlorophyceae order Sphaeropleales family Scenedesmaceae genus Comasiella species Comasiella arcuata Name Synonyms Steinedesmus capitatus (G.M.Smith) Comas & Komárek, 1985 Homonyms Scenedesmus arcuatus var. capitatus G.Smith