page_title: Pelorosaurus
section_title: Valid species
hierarchical_section_title: Pelorosaurus / Classification / Valid species
caption_attribution_description: Cetiosaurus brevis. Fig. 1. Side view of a dorsal vertebra, half natural size. Fig. 2. Vertical longitudinal section a dorsal vertebra, half natural size. From the Wealden of the Isle of Wight. British Museum.
context_page_description: Pelorosaurus is a genus of titanosauriform sauropod dinosaur. Remains referred to Pelorosaurus date from the Early Cretaceous period, about 140-125 million years ago, and have been found in England and Portugal. Thomas Holtz estimated its length at 24 meters.
  The name Pelorosaurus was one of the first to be given to any sauropod. Many species have been assigned to the genus historically, but most are currently considered to belong to other genera. Problematically, the first named species of Pelorosaurus, P. conybeari, is a junior synonym of Cetiosaurus brevis.
context_section_description: Cetiosaurus brevis Owen 1842
  Synonyms:
  Cetiosaurus conybeari Melville 1849
  Pelorosaurus conybearei (Melville 1849) Mantell 1850
  Pelorosaurus brevis (Owen 1842) Huene 1927
  Ornithopsis conybearei (Melville 1849) Huene 1929
caption: Dorsal vertebra assigned to Cetiosaurus brevis
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