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silurian

 

Definitions from WordNet

Noun silurian has 1 sense
  1. Silurian, Silurian period - from 425 million to 405 million years ago; first air-breathing animals
    --1 is a kind of period, geological period
    --1 is a part of Paleozoic, Paleozoic era

Definitions from the Web

Silurian

noun

1. In geology, the Silurian period refers to a division of the Paleozoic era that lasted from approximately 443.8 to 419.2 million years ago. It is known for the diversification of marine life and the formation of coral reefs.

Sample sentence: Fossils belonging to various extinct species, such as trilobites and early fish, are commonly found in Silurian rock formations.

adjective

1. Pertaining to the Silurian period.

Sample sentence: The study of Silurian fossils provides valuable insights into the ancient ecosystems that existed millions of years ago.

2. Of or relating to Siluria, a region in southwestern Wales known for its Silurian rocks.

Sample sentence: The Silurian landscapes of Wales are of great scientific and aesthetic significance.

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Silurian Fossils

silphium silphium laciniatum silpy water silt silt up silted siltstone silty silurian silurian period silurid silurid fish siluridae siluriform fish siluriformes silurus silurus glanis

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