Silurian period and Silurian
Related terms
Silurian period
Silurian period noun - From 425 million to 405 million years ago; first air-breathing animals.
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Silurian and Silurian period are semantically related. In some cases you can use "Silurian" instead a noun phrase "Silurian period".
Silurian
Silurian noun - From 425 million to 405 million years ago; first air-breathing animals.
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Silurian period and silurian are semantically related. You can use "Silurian period" instead a noun "Silurian".
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Silurian and Silurian period. (2017). Retrieved 2026, August 02, from https://thesaurus.plus/related/silurian_period/silurian
Silurian period & Silurian. N.p., 2017. Web. 02 Aug. 2026. <https://thesaurus.plus/related/silurian_period/silurian>.
Silurian or Silurian period. 2017. Accessed August 02, 2026. https://thesaurus.plus/related/silurian_period/silurian.
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