Holomycota

Holomycota or Nucletmycea are a basal Opisthokont clade as sister of the Holozoa. It consists of the Cristidiscoidea, also called Nucleariidae, as well as the kingdom Fungi. Nucleariids are unicellular free-living phagotrophic amoebae, and are considered the earliest lineage of Holomycota. This suggests that animals and fungi independently acquired complex multicellularity from a common unicellular ancestor and that the osmotrophic lifestyle was originated later in the divergence of this eukaryotic lineage. Opisthosporidians is a recently proposed taxonomic group that includes aphelids, Microsporidia and Cryptomycota, three groups of endoparasites.

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