Silurian straight-up Synonyms

We can't find synonyms for the phrase "Silurian straight-up", but we have synonyms for terms, you can combine them.

Silurian Synonyms

Straight-up Synonyms

SS abbreviation

SS is an abbreviation for Silurian Straight-up
What does SS stand for?
SS stands for "Silurian Straight-up"

Definitions for Silurian


  • (noun) from 425 million to 405 million years ago; first air-breathing animals