The Urmetazoan is the hypothetical last common ancestor of all animals, or metazoans. It is universally accepted to be a multicellular heterotroph — with...

Date Event 800–650 Ma Urmetazoan: The first fossils that might represent animals appear in the 665-million-year-old rocks of the Trezona Formation of South...

multicellularity may have evolved. This common ancestor is sometimes called urmetazoan and several theories have been developed on its evolution. 33 900 mya...

origin of life event from which all life descended. The Ancestor's Tale Urmetazoan Crombie, A. C.; Hoskin, Michael [in Slovak] (1970). "The Scientific Movement...

complete cells Proto-metabolism Timeline of the evolutionary history of life Urmetazoan – Hypothetical last common ancestor of all animals Y-chromosomal Adam –...

topical guide to life forms Timeline of the evolutionary history of life Urmetazoan – Hypothetical last common ancestor of all animals Further details are...