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Eucamerotus (meaning "well-chambered" in reference to the hollows of the vertebrae) was a genus of sauropod dinosaur from the Barremian-age Lower Cretaceous Wessex Formation (Wealden) of the Isle of Wight, England. It is known from vertebral remains, and a partial skeleton has been referred, although this has not been accepted. It is one of several sauropods that is part of the complicated Ornithopsis-Pelorosaurus taxonomic tangle of fragmentary Late Jurassic-Early Cretaceous-age European sauropods.

History and TaxonomyEdit

John Hulke named the genus from several partial dorsal vertebrae found by William D. Fox near Brighstone Bay: BMNH R2522 (a neural arch), and BMNH R89 (two dorsals), BMNH R90 (two dorsal vertebrae), and BMNH R2524 (a dorsal from a juvenile). He did not provide it with a species name nor select a holotype, and within a few years thought that it was the same as Ornithopsis hulkei. Other authors preferred Pelorosaurus as a synonym.

William T. Blows resurrected the genus in 1995 as a valid brachiosaurid, added the specific name foxi, selected BMNH R2522 as the type specimen, designated the other finds as paratypes and referred additional vertebrae and partial skeleton MIWG-BP001 to it. This last point has not been generally accepted; unfortunately, this skeleton has never been officially described.

Naish and Martill (2001) suggested Eucamerotus was a dubious brachiosaurid, and did not find Blows' characters convincing. Upchurch et al. (2004) considered it to be a dubious sauropod. Santucci and Bertini (2005), however, suggested it was a titanosaurian. Darren Naish, as of July 2006, considered it to be a brachiosaurid.

PaleobiologyEdit

The vertebrae are around twenty centimetres long. If a brachiosaurid, Eucamerotus may have been around 15 m (49.2 ft) long, small for a sauropod. As any kind of sauropod, it would have been a quadrupedal herbivore.

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