We found 1 definitions of protoctist order from 1 different sources.
Noun |
||
protoctist order - the order of protoctists | ||
order the act of putting things in a sequential arrangement; "there were mistakes in the ordering of items on the list" | ||
kingdom protoctista, 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 | ||
heterotrichales, order heterotrichales yellow-green algae with simple or branching filaments; comprising the single family Tribonemaceae | ||
laminariales, order laminariales in some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas | ||
order ulvales, ulvales an order of protoctist | ||
order volvocales, volvocales chiefly freshwater green algae; solitary or colonial | ||
chlorococcales, order chlorococcales unicellular green algae that reproduce by spores | ||
oedogoniales, order oedogoniales simple or branched filamentous freshwater green algae |