Gasosaurus is a tetanuran dinosaur discovered in Dashanpu, China. The scientific name, meaning “Gas Lizard”, honours the gasoline company that found the Dashanpu fossil quarry in Sichuan Province, now named as the Lower Shaximiao Formation. It had strong legs but short arms, and like mosttheropods, it was a carnivore. It measured between 3.5 to 4 metres (11 to 13 ft) in length, with a weight of around 150 kilograms (330 lb), placing it in the midrange of theropods by size. However, some estimates put its weight as high as 400 kilograms (880 lb), as very little is known about this dinosaur. It lived during the mid-Jurassic period (Bathonian and/ or Callovian stages), around 164 million years ago.

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Fact file

  • Pronounced: gas-oh-SORE-us
  • Meaning of name: gas lizard
  • Length: 4m
  • Diet: carnivorous
  • When it lived: Mid Jurassic
    (170 – 160 million years ago)
  • Found in: Peoples Republic of China

Taxonomic details

  • Taxonomy: Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Gasosaurus – See more at:
  • Named by: Dong and Tang (1985)
  • Type species: constructus