• Thumbnail for Silurian
    The Silurian (/sɪˈljʊəriːən, saɪ-/ sih-LURE-ee-ən, sy-) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period...
    56 KB (5,601 words) - 03:22, 19 March 2024
  • The Silurian hypothesis is a thought experiment which assesses modern science's ability to detect evidence of a prior advanced civilization, perhaps several...
    9 KB (1,089 words) - 10:30, 12 February 2024
  • The Silurian is the geological period and system lasting roughly from 445 million years ago to 415 million years ago. Silurian may also refer to: Silurian...
    954 bytes (161 words) - 23:20, 18 December 2023
  • Thumbnail for Late Ordovician mass extinction
    sometimes known as the end-Ordovician mass extinction or the Ordovician-Silurian extinction, is the first of the "big five" major mass extinction events...
    99 KB (10,813 words) - 04:55, 17 February 2024
  • The Silurians are a race of reptilian humanoids in the long-running British science fiction television series Doctor Who, who first appeared in Doctor...
    29 KB (3,303 words) - 19:01, 17 December 2023
  • Doctor Who and the Silurians is the second serial of the seventh season in the British science fiction television series Doctor Who. It was first broadcast...
    21 KB (2,160 words) - 12:52, 21 March 2024
  • into six geologic periods (from oldest to youngest): Cambrian Ordovician Silurian Devonian Carboniferous Permian Some geological timescales divide the Paleozoic...
    35 KB (3,684 words) - 00:35, 12 March 2024
  • Thumbnail for Ordovician
    of the Cambrian Period 485.4 Ma (million years ago) to the start of the Silurian Period 443.8 Ma. The Ordovician, named after the Welsh tribe of the Ordovices...
    69 KB (7,298 words) - 05:51, 18 March 2024
  • Thumbnail for Silurian-Devonian Terrestrial Revolution
    The Silurian-Devonian Terrestrial Revolution, also known as the Devonian Plant Explosion (DePE) and the Devonian explosion, was a period of rapid colonization...
    46 KB (4,833 words) - 16:13, 5 March 2024
  • Silurian Valley is a valley in the Mojave Desert, in San Bernardino County, California. The valley trends in a north–south direction, its mouth located...
    1 KB (180 words) - 21:30, 10 February 2022