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Choanobionta

Les choano-organismes constituent un taxon d'eucaryotes dont le caractère monophylétique est basé principalement par les analyses moléculaires de l'ARNr 18S.

L'hypothèse de ce regroupement avait autrefois été émise sur la base de la ressemblance entre structures cellulaires des choanoflagellés et celle des choanocytes des éponges, puis abandonné au milieu du XXe siècle pour son aspect trop simpliste...

La répartition des choano-organismes est mondiale.

Bibliographie

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Classification phylogénétique du vivant par Guillaume Lecointre et Hervé Le Guyader aux éditions Belin

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Choanobionta
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