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Mochlodon

Mochlodon
Temporal range: Late Cretaceous
Mochlodon vorosi.png
Cranial remains of Mochlodon vorosi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Ornithischia
Suborder: Ornithopoda
Family: Rhabdodontidae
Genus: Mochlodon
Seeley, 1881
Type species
Iguanodon suessi
Bunzel, 1871
Species
  • M. suessi (Bunzel, 1871 [originally Iguanodon])
  • M. vorosi Ősi et al., 2012

Mochlodon is a genus of iguanodont dinosaurs from the Late Cretaceous.

In 1859 coal mine administrator Pawlowitsch notified the University of Vienna that some fossils had been found in the Gute Hoffnung mine at Muthmannsdorf in Austria. A team headed by geologists Eduard Suess and Ferdinand Stoliczka subsequently uncovered numerous bones of several species, among them those of a euornithopod dinosaur. Stored at the university museum, the finds remained undescribed until they were studied by Emanuel Bunzel from 1870 onwards. Bunzel in 1871 named the euornithopod a new species of Iguanodon: Iguanodon suessii. The specific name honours Suess and is today more often spelled suessi. In 1881 Harry Govier Seeley named a separate genus: Mochlodon. The generic name is derived from Greek mokhlos, "bar", and odon, "tooth", a reference to the bar-like median ridge on the teeth. The type species is Mochlodon suessi. Mochlodon and Struthiosaurus, the latter found at the same site, are the only dinosaur genera named from Austrian finds.

The type specimen PIUW 2349 was found in the Coal-Bearing Complex Formation of the Gosau Group dating from the Lower Campanian, about eighty million years old. It consists of a dentary, two vertebrae (presently lost), a parietal, a scapula, an ulna, a manual ungual, a femur and a tibia. Bunzel did not assign a holotype. In 2005 the dentary was chosen as the lectotype.


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