Silurian
/sɪˈlʊɚ.i.ən/
A geologic period over 400 million years ago.
“The fossils date back to the Silurian era.”
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inoh
inoh
/sɪˈlʊɚ.i.ən/
A geologic period over 400 million years ago.
“The fossils date back to the Silurian era.”
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