Dinodocus

Dinodocus
Temporal range: Early Cretaceous, 125–122 Ma
Humerus of the holotype
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Sauropodomorpha
Clade: Sauropoda
Genus: Dinodocus
Owen, 1884
Species:
D. mackesoni
Binomial name
Dinodocus mackesoni
Owen, 1884
Synonyms

Dinodocus (meaning "terrible beam") is a genus of sauropod dinosaur, named by Richard Owen in 1884. The name is now usually considered a nomen dubium. The only species, D. mackesoni, a name given to some fossil bones from the Lower Greensand Group (Lower Cretaceous) of Hythe, Kent, England, were formerly placed in the genus Pelorosaurus (Mantell, 1850), but a review by Upchurch et al. (2004) concluded that Dinodocus is a nomen dubium.

Discovery and naming

The holotype was discovered in 1840 by Mr H. B. Mackeson. In 1841, Richard Owen noted on the fossils. The holotype, NHMUK 14695, was listed by Owen as "portions of the corocoid, humerus and ulna, iliac, ischial and pubic bones, a large portion of the shaft of a femur, parts of a tibia and fibula, and several metatarsal bones". Owen assigned the specimen to the pliosaur Polyptychodon. In 1850, Gideon Mantell assigned the specimen to Pelorosaurus but Richard Owen placed the fossils in a separate genus, Dinodocus, in 1884. In 1908, Dinodocus was synonymized with Pelorosaurus again, this time by Arthur Smith Woodward. In 2004, Paul Upchurch validated the genus Dinodocus.



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