Flattened naked amoebae, never producing tubular, subcylindrical pseudopodia and never altering the locomotive form to the tubular, subcylindrical one; cytoplasmic flow polyaxial or without a pronounced axis; ciliated stages unknown; several taxa sporocarpic.
Flattened generally fan-shaped, oblong or irregularly triangular cells, never with pointed subpseudopodia.
MTOC located near the dictyosome; several taxa with protosteloid sporocarpy. The least inclusive clade containing Pellita catalonica, Gocevia fonbrunei, Endostelium zonatum, Acanthamoeba castellanii.