Archaeosphaeroides

{{Short description|Extinct genus of bacteria}}

{{more citations needed|date=March 2020}}

{{automatic taxobox

| fossil_range = Paleoarchean {{long_fossil_range|3600|3200}}

| taxon = Archaeosphaeroides

| authority = J.W.Schopf & E.S.Barghoorn, 1967{{cite journal|url=https://pubmed.ncbi.nlm.nih.gov/17730741/|title=Alga-Like Fossils from the Early Precambrian of South Africa|journal=Science|date=1967 |pmid=17730741 |last1=Schopf |first1=J. W. |last2=Barghoorn |first2=E. S. |volume=156 |issue=3774 |pages=508–512 |doi=10.1126/science.156.3774.508 |bibcode=1967Sci...156..508S }}

| subdivision_ranks = Species

| subdivision =

}}

Archaeosphaeroides is an extinct genus of bacteria from the Paleoarchean. It is a coccoid cyanophyte from the Fig Tree Formation of South Africa which dates back to 3,000 million years ago.