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Choanoflagellate facts for kids

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Temporal range: No fossils known, molecular clock evidence for origin 1050-800Ma
Scientific classification
Domain: Eukarya
(unranked) Opisthokonta
(unranked) Choanozoa or Holozoa
(unranked) Filozoa
Class: Choanoflagellatea


Sphaeroeca, a colony of choanoflagellates (about 230 individuals)

The choanoflagellates are a class or phylum of collared cells. Some species are single cells, some are multicellular. They are eukaryote flagellate cells of microscopic size. They do not have chloroplasts, and are heterotrophic. Some consider they form the simplest phylum of animals; others consider them to be protists.

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Choanoflagellate Facts for Kids. Kiddle Encyclopedia.