''Micronuclearia'' is a genus of free-living protozoa containing the single species ''Micronuclearia podoventralis''. While originally thought to be a
nucleariid
The nucleariids, or nucleariid amoebae, are a group of amoebae that compose the sister clade of the fungi. Together, they form the clade Holomycota. They are aquatic organisms found in freshwater and marine habitats, as well as in faeces. They ...
, as reflected in the name,
it is now inferred to be a member of the taxon
Rigifilida
Rigifilida is a clade of non-ciliate phagotrophic eukaryotes. It consists of two genera: '' Micronuclearia'' and '' Rigifila''.
Characteristics
Cells of rigifilids are covered with either a single or a double-layered submembrane pellicular lam ...
, and to belong to the '
CRuMs
CRuMs is a clade of microbial eukaryotes, whose name is an acronym of the following constituent groups: i) Diphylleids, ii) rigifilids and iii) mantamonads as sister of the Amorphea. A new CRuMs order Glissandrida was proposed in 2025 to pla ...
' assemblage (whereas nucleariids are
opisthokonts
The opisthokonts () are a broad group of eukaryotes, including both the animal and fungus kingdoms. The opisthokonts, previously called the "Fungi/Metazoa group", are generally recognized as a clade. Opisthokonts together with Apusomonadida and ...
).
References
Podiata
Taxa described in 2001
Opisthokont genera
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