English > protoctist family: 1 sense > noun 1, animal| Meaning | Any of the families of Protoctista. |
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| Member of | Protoctista, kingdom Protoctista | In most modern classifications, replacement for the Protista |
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| Narrower | Arcellidae, family Arcellidae | soil and freshwater protozoa |
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| Babesiidae, family Babesiidae | piroplasms and cattle pathogens |
| Bangiaceae, family Bangiaceae | A family of protoctist |
| Characeae, family Characeae | green algae superficially resembling horsetail ferns |
| Chlamydomonadaceae, family Chlamydomonadaceae | green algae some of which are colored red by hematochrome |
| Desmidiaceae, family Desmidiaceae | unicellular algae |
| Eimeriidae, family Eimeriidae | A family of protoctist in the order Coccidia |
| Euglenaceae, family Euglenaceae | Considered green algae |
| Fucaceae, family Fucaceae | small family of brown algae |
| Gigartinaceae, family Gigartinaceae | A family of protoctist |
| Globigerinidae, family Globigerinidae | A family of protoctists |
| Haemoproteidae, family Haemoproteidae | bird parasites |
| Laminariaceae, family Laminariaceae | large family of marine brown algae including many economically important large kelps chiefly of northern waters |
| Nummulitidae, family Nummulitidae | A family of fossil protoctists |
| Oedogoniaceae, family Oedogoniaceae | filamentous green algae |
| Peridiniidae, family Peridiniidae | marine and freshwater dinoflagellates |
| Plasmodiidae, family Plasmodiidae | malaria parasites |
| Rhodymeniaceae, family Rhodymeniaceae | A family of protoctist |
| Tribonemaceae, family Tribonemaceae | simple filamentous freshwater yellow-green algae |
| Ulvaceae, family Ulvaceae, sea-lettuce family | Thin flat or tubular green algae |
| Volvocaceae, family Volvocaceae | unicellular or colonial biflagellate free-swimming flagellates |
| Zygnemataceae, family Zygnemataceae | pond scums |
| Broader | family | (biology) a taxonomic group containing one or more genera |
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| Spanish | protoctistas |
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| Catalan | protoctistes |
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