Archaeosphaeroides is a fossil genus of probable coccoid cyanobacterium known from microfossils discovered in the Fig Tree Group of South Africa, as well as the Warrawoona Group of Western Australia. It lived during the Paleoarchean era, around .
It contains two species, A. barbertonensis (the type species) and A. pilbarensis.
References
Further reading G Bignot, 1983: Elements of Micropalaeontology, p.165 Lessem, D., & Sovak, S., 1999: Dinosaurs to Dodos: An Encyclopedia of Extinct Animals