''Cheleutochroa'' is an extinct genus of

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 refle ...

s from the

Ordovician The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start ...

. ''C. elegans'' was recovered from

Rapla Rapla (German: ''Rappel'') is a town in central Estonia, the capital of Rapla County and the centre of Rapla Parish. The oldest records date back to 1241 in the Danish Census Book, when it was said that it was a small village with 8 acres of ...

borehole in Estonia.Ordovician acritarchs from the Rapla borehole, Estonia. A Uutela and R Tynni, 1991

References

External links

*
''Cheleutochroa'' at fossiilid.info
Acritarch genera Fossils of Estonia {{paleo-eukaryote-stub