Younger silurian Synonyms

We can't find synonyms for the phrase "Younger silurian", but we have synonyms for terms, you can combine them.

Younger Synonyms

Silurian Synonyms

YS abbreviation

YS is an abbreviation for Younger Silurian
What does YS stand for?
YS stands for "Younger Silurian"

Definitions for Younger


  • (adjective) used of the younger of two persons of the same name especially used to distinguish a son from his father

Definitions for Silurian


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