A recent study suggests that by the Neoproterozoic period, distinct lineages of amoebae, as well as the ancestors of plants, ...
Previous research had revealed eight new ancestral lineages of Thecamoebae, the largest group in Amoebozoa, a clade (a common ancestor and all its descendants) of protozoans with pseudopodia ...
Pictured are two shells of amoebozoa testate amoebae, a diverse lineage of heterotrophic microeukaryotes. The left shell is a cryogenian fossil specimen, estimated to have lived approximately 700 ...