Choanobionta
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! align=" center" bgcolor=" pink" | Subdivisions
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- Choanoflagellé S
- Métazoaire S
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The
choano-organizations constitute a
Taxon whose character
Monophylétique is based mainly by the molecular analyzes of the ARNr 18S.
The assumption of this regrouping formerly had been put forth on the basis of resemblance between cellular structures
of the Choanoflagellé S and that of the
Choanocyte S of the
sponge S, then abandoned in the middle of the 20th century for its too simplistic aspect…
The distribution of the choano-organizations is world.