Archaeosphaeroides

Archaeosphaeroides; Temporal range: Paleoarchean 3600–3200 Ma Pha. Proterozoic Archean Had.
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Cyanobacteriota
Class:	incertae sedis
Genus:	† Archaeosphaeroides ; J.W.Schopf & E.S.Barghoorn, 1967

Last updated July 20, 2025

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

References

↑ Schopf, J. W.; Barghoorn, E. S. (1967). "Alga-Like Fossils from the Early Precambrian of South Africa". Science . 156 (3774): 508–512. Bibcode:1967Sci...156..508S. doi:10.1126/science.156.3774.508. PMID 17730741.

G Bignot, 1983: Elements of Micropalaeontology, p.165
Lessem, D., & Sovak, S., 1999: Dinosaurs to Dodos: An Encyclopedia of Extinct Animals
Allaby, Michael (2008). A Dictionary of Earth Sciences (3rd ed.). Oxford University Press. p. 27. ISBN 978-0-19-172661-3.

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[1] Schopf, J. W.; Barghoorn, E. S. (1967). "Alga-Like Fossils from the Early Precambrian of South Africa". Science . 156 (3774): 508–512. Bibcode:1967Sci...156..508S. doi:10.1126/science.156.3774.508. PMID 17730741.

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