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Noun1.Protoctista - in most modern classifications, replacement for the Protista; includes: Protozoa; Euglenophyta; Chlorophyta; Cryptophyta; Heterokontophyta; Rhodophyta; unicellular protists and their descendant multicellular organisms: regarded as distinct from plants and animals
protoctist order - the order of protoctists
protoctist - any of the unicellular protists
division Protista, Protista - eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae
protoctist family - any of the families of Protoctista
protoctist genus - any genus of Protoctista
phylum Protozoa, Protozoa - in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
division Heterokontophyta, Heterokontophyta - algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications
Chrysophyta, division Chrysophyta - mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta
division Euglenophyta, Euglenophyta - free-swimming flagellate algae
Chlorophyta, division Chlorophyta - large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
division Rhodophyta, Rhodophyta - lower plants; mostly marine and littoral eukaryotic algae
Cryptophyta, phylum Cryptophyta - a phylum in the kingdom Protoctista
kingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
[9.] L Margulis, Corlis JO, Melkonian M, Chapman DJ (1989) Handbook of Protoctista. Jones and Bartlett Publishers, Boston, MA.
In: Handbook of Protoctista (Margulis L, Corliss JO, Melkonian M, Chapman DJ, eds.).
The number of extant species is estimated to be greater than 10,000 (Vickerman, 1992), and composes approximately one-eighth of the Kingdom Protoctista (Hammond, 1995).
Se utiliza la microalga Chlorella vulgaris Beijerinck (reino Protoctista, division Chlorophyta, orden Chlorococcales) aislada del medio local y mantenida en la Coleccion de Microalgas del Centro Nacional de Electromagnetismo Aplicado (CNEA), Santiago de Cuba, desde 2002 con el codigo F010102-A, en medio Bristol; condiciones controladas de temperatura (20[grados]C [+ o -] 2[grados]C) y luz continua (19.5 [micron]E [m.sup.2][s.sup.-1]) suministradas por lamparas fluorescentes Daylight 40W.