Wordnet angielsko-polski
(from 500 million to 425 million years ago
conodonts and ostracods and algae and seaweeds)
ordowik
synonim: Ordovician period
(from 500 million to 425 million years ago
conodonts and ostracods and algae and seaweeds)
ordowik
synonim: Ordovician period