Diskagma buttonii holotype, in thin section of 2200 million year old Waterval Onder paleosol, South Africa
Scientific classification
Domain:
Eukaryota
Kingdom:
incertae sedis
Genus:
Diskagma
Retallack (2013)
Type species
Diskagma buttonii
Retallack (2013)
Diskagma ("disc-like fragment") is a genus of problematic fossil from a Paleoproterozoic (2200 million years old) paleosol from South Africa, and significant as the oldest likely eukaryote and earliest evidence for megascopic life on land.[1]
Reconstruction of Diskagma buttonii.
^Retallack, G.J.; Krull, E.S.; Thackray, G.D.; Parkinson, D. (2013). "Problematic urn-shaped fossils from a Paleoproterozoic (2.2 Ga) paleosol in South Africa". Precambrian Research. 235: 71–87. Bibcode:2013PreR..235...71R. doi:10.1016/j.precamres.2013.05.015.
Diskagma ("disc-like fragment") is a genus of problematic fossil from a Paleoproterozoic (2200 million years old) paleosol from South Africa, and significant...
an alga, is as much as 2.1 billion years old. The "problematic" fossil Diskagma has been found in paleosols 2.2 billion years old. Structures proposed...
the form of 1500 million year old Horodyskia and 2200 million year old Diskagma. Discovery of these fossils suggest that fungi developed symbiotic partnerships...
the form of 1500 million year old Horodyskia and 2200 million year old Diskagma. Discovery of these fossils suggest that marine fungi developed symbiotic...
problematic fossils (Diskagma) comparable with the living Geosiphon (a fungus) could suggest a long evolutionary history for life on land. Diskagma from South Africa...
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