Other hyponyms of protoctist family include
family Globigerinidae,
Globigerinidae,
family Nummulitidae,
Nummulitidae,
Arcellidae,
family Arcellidae,
family Tribonemaceae,
Tribonemaceae,
family Laminariaceae,
Laminariaceae,
family Fucaceae,
Fucaceae,
Euglenaceae,
family Euglenaceae,
family Ulvaceae,
sea-lettuce family,
Ulvaceae,
Volvocaceae,
Chlamydomonadaceae,
family Chlamydomonadaceae,
family Zygnemataceae,
Zygnemataceae,
family Oedogoniaceae,
Oedogoniaceae,
Characeae,
family Characeae,
Desmidiaceae,
family Desmidiaceae,
family Gigartinaceae,
Gigartinaceae,
family Rhodymeniaceae,
Rhodymeniaceae,
Bangiaceae,
family Bangiaceae,
family Peridiniidae,
Peridiniidae,
Eimeriidae,
family Eimeriidae,
family Plasmodiidae,
Plasmodiidae,
family Haemoproteidae,
Haemoproteidae,
Babesiidae,
family Babesiidae.