Acritarchs (from Greek achritos 'uncertain' and arché 'origin') are organic microfossils, known from the Archean eon of the Precambrian to the present. The classification is a catch all term used to refer to any organic microfossils that cannot be assigned to other groups.
Acritarchs (from Greek achritos 'uncertain' and arché 'origin') are organic microfossils, known from the Archean eon of the Precambrian to the present. The classification is a catch all term used to refer to any organic microfossils that cannot be assigned to other groups.
Source: Wikipedia "Acritarch" · CC BY-SA 4.0
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