Reptilia - Dinosauria - Cetiosauridae

Alternative combinations: Ceteosaurus oxoniensis, Ornithopsis oxoniensis

Synonyms: Ceteosaurus giganteus Owen 1870, Cetiosaurus giganteus Owen 1870

Full reference: J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford 1-523

Belongs to Cetiosaurus according to P. Upchurch et al. 2004

Sister taxon: Cetiosaurus philippsii

Type specimens:

• Cetiosaurus oxoniensis: OUM J13605-13613, 13615-13616, 13619-13688, 13899, a set of postcrania. Its type locality is Bletchington Station (OUM), which is in a Bathonian terrestrial sandstone/shale in the Forest Marble Formation of the United Kingdom.
• Cetiosaurus giganteus: Its type locality is Gibraltar Quarry, Bletchingdon Station (OUM), which is in a Bathonian marine horizon in the United Kingdom.

Average measurements (in mm): coracoid 445.0 x 492.0, femur length 1615.0, femur circumference 683.0, fibula length 945.0, fibula circumference 300.0, humerus length 1247.9, humerus circumference 584.4, scapula 1306.0 x 244.9, tibia length 945.0, tibia circumference 300.0, ulna length 930.0, ulna circumference 346.0

Estimated body mass: 22.3 tons based on femur circumference, femur length, and humerus circumference