Eucamerotus

yoo-KAM-er-OH-tus /juːˌkæməˈroʊtəs/

Nomen dubium

well-chambered (one)

  • eu- · Greek · well, true, good
  • kameros · Greek · chamber, vault
  • -otus · Greek · having (adjectival suffix)

The name Eucamerotus comes from the Greek words 'eu' (well/good) and 'kameros' (chamber or vault), combined with the suffix '-otus' (having). It was chosen to describe the well-developed, deeply chambered (camellate) vertebrae that characterise the animal, a feature typical of large sauropod dinosaurs. The name essentially means 'well-chambered one', referring to the elaborate internal honeycomb-like cavities in the vertebrae that reduce weight while maintaining structural strength.

Named by
Hulke
Year named
1872
Period
Early Cretaceous
Stages
Hauterivian – Barremian
Found in
Wessex Formation, Isle of Wight, England, UK

Eucamerotus is generally regarded as a nomen dubium because its type material — fragmentary vertebrae — is insufficient to reliably diagnose it or confidently distinguish it from other sauropods. It is a titanosauriform (brachiosaurid-grade) sauropod. Some researchers have suggested it may be closely related to or synonymous with Pelorosaurus, but this has not been definitively established. It is a true dinosaur.