Acritarch
Acritarchs are organic microfossils, known from approximately 1800 million years ago to the present. The classification is a catch all term used to refer to any organic microfossils that cannot be assigned to other groups. Their diversity reflects major ecological events such as the appearance of predation and the Cambrian explosion.
| Acritarchs Temporal range: | |
|---|---|
| A supposed Ediacaran embryo contained within an acritarch from the Doushantuo Formation | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | incertae sedis |
| (unranked): | †Acritarcha Evitt, 1963 |
| Synonyms | |
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