Neoproterozoic

== English == === Etymology === From neo- + Proterozoic. === Adjective === Neoproterozoic (not comparable) (geology) Of a geologic era within the Proterozoic eon; comprises the Tonian, Cryogenian and Ediacaran periods from about 1000 to 544 million years ago, when algae and sponges flourished. ==== Translations ==== === Proper noun === Neoproterozoic (geology) The Neoproterozoic era. ==== Translations ==== === See also === Appendix:Geologic timescale === Further reading === Neoproterozoic on Wikipedia.Wikipedia