Loukozoa (From Greek ''loukos'': groove
) is a proposed taxon used in some classifications of
eukaryote
The eukaryotes ( ) constitute the Domain (biology), domain of Eukaryota or Eukarya, organisms whose Cell (biology), cells have a membrane-bound cell nucleus, nucleus. All animals, plants, Fungus, fungi, seaweeds, and many unicellular organisms ...
s, consisting of the Metamonada and Malawimonadea.
are closely related to this group, as sister of the entire group, or as sister of the Metamonada.
Amorphea
Amorphea is a taxonomic supergroup that includes the basal Amoebozoa and Obazoa. That latter contains the Opisthokonta, which includes the fungi, animals and the choanoflagellates. The taxonomic affinities of the members of this clade were ...
may have emerged in this grouping, specifically as sister of the Malawimonads.
Originally, Loukozoa included
Anaeromonadea and
Jakobea.
In 2013, it consisted of three subphyla: Eolouka (
Tsukubea and
Jakobea),
Metamonada and Neolouka (''
Malawimonas''). In 2018, Cavalier-Smith has removed Eolouka from Loukozoa, placing it instead in
Discoba
Excavata is an obsolete, extensive and diverse Paraphyly, paraphyletic group of unicellular Eukaryote, Eukaryota. The group was first suggested by Simpson and Patterson in 1999 and the name latinized and assigned a rank by Thomas Cavalier-Smit ...
.
With the root of the Eukaryota likely close to or in Loukozoa or Discoba, these groupings are studied to give unique information on the first eukaryotes.
References
Excavata
Taxa named by Thomas Cavalier-Smith
Protist phyla
Eukaryote phyla
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