silurian period

1. 1.

   from 425 million to 405 million years ago; first air-breathing animals

   SynonymsSilurian

   Broaderperiod

   Part ofPaleozoic

Questions about silurian period

What does silurian period mean?

silurian period means "from 425 million to 405 million years ago; first air-breathing animals".

What is another word for silurian period?

Close synonyms include Silurian. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.