obazoa obazoa obazoa (brown et al., 2013) is a proposed sister clade of amoebozoa (which together form amorphea). obazoa is composed of breviatea, apusomonadida and opisthokonta. the term obazoa is based on the oba acronym for opisthokonta, breviatea, and apusomonadida. obazoatemporal range: late stenian - present, scientific classification clade: amorphea clade: obazoabrown, 2013 clades breviatea apusomonadida opisthokonts sister: amoebozoa determining the placement of breviatea and apusomonadida and their properties is of interest for the development of the opisthokonts in which the main lineages of animals and fungi emerged. the relationships among opisthokonts, breviates and apusomonads are not conclusively resolved (as of 2018), though breviatea is usually inferred to be the most basal of the three lineages. eukaryotes diphoda diaphoretickes cryptista archaeplastida rhodophyta (red algae) picozoa glaucophyta viridiplantae (plants) 1600 mya haptista tsar telonemia sar halvaria stramenopiles alveolata rhizaria provora hemimastigophora discoba ? metamonada bikonts ancyromonadida malawimonada crums amorphea amoebozoa obazoa breviatea apusomonadida opisthokonta holomycota (inc. fungi) holozoa (inc. animals) 1300 mya 1500 mya 2200 mya one view of the great kingdoms and their stem groups.