|
|
Definition of Silurian period
1. Noun. From 425 million to 405 million years ago; first air-breathing animals.
Exact synonyms: Silurian
Group relationships: Paleozoic, Paleozoic Era
Generic synonyms: Geological Period, Period
Group relationships: Paleozoic, Paleozoic Era
Generic synonyms: Geological Period, Period
Lexicographical Neighbors of Silurian Period
Other Resources:
