Permian
Код 2383176
- ISBN: 978-5-5111-1699-0
Код 2383176
High Quality Content by WIKIPEDIA articles! The Permian is a geologic period and system which extends from 299.0 ± 0.8 to 251.0 ± 0.4 Mya (Million years ago). It was named after the Perm Krai in Russia by Scottish geologist Roderick Murchison in 1841. The Permian follows the Carboniferous and precedes the Triassic, and is characterized among land vertebrates by the diversification of the early amniotes into the ancestral groups of the mammals, turtles, lepidosaurs and archosaurs. The world at...
Оставить комментарий