Words nearby Proterozoic
How to use Proterozoic in a sentence
Proterozoic , the age of invertebrate dominance, containing an early and a late ice age.Unexplored!|Allen Chaffee
Proterozoic fossils have been found in places where the present average temperature approaches 0°C.
The recent discovery of glaciation in latitudes as low as 30° in the Proterozoic is correspondingly significant.
Hence, uplift alone cannot account for extensive glaciation in subtropical latitudes during the Permian and Proterozoic.
The late Proterozoic or very earliest Cambrian was probably the time of the great splitting up into groups.The Appendages, Anatomy, and Relationships of Trilobites|Percy Edward Raymond