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Kingdom  Animalia
Class  Reptilia
Order  †Ornithischia
Rank  Genus
Phylum  Chordata
Clade  Dinosauria
Suborder  †Ornithopoda
Mochlodon pre11deviantartnet57d8thprei2015046afmo
Similar  Rhabdodon, Zalmoxes, Rhabdodontidae, Anoplosaurus, Mantellisaurus

Mochlodon video learning wizscience com

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


History and SystematicsEdit

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.

At the end of the nineteenth century Baron Franz Nopcsa noted the similarity of fossils found in Romania to both the French Rhabdodon and the Austrian Mochlodon. In 1899 he named some of these Mochlodon inkeyi, the specific name honouring Béla Inkey, but the same year changed the name into Rhabdodon inkeyi. In 1900 Nopcsa named some Romanian remains Mochlodon robustum (emended to M. robustus in 1990 by George Olshevsky). In 1915 however, he concluded that all this material could be referred to Rhabdodon, the Austrian remains to Rhabdodon priscus. In later years, Mochlodon was often considered a nomen dubium. In 2003, when M. robustus was renamed Zalmoxes, Mochlodon was tentatively reinstated as a separate genus for the species Mochlodon suessi. In 2005 a study concluded that no unique derived features, autapomorphies, could be established for Mochlodon in relation to Zalmoxes, assigning the Austrian remains provisionally to a Zalmoxes sp.; a definite identification would give Mochlodon nomenclatural priority.

A second species, M. vorosi, was described in 2012.

Mochlodon was a small bipedal herbivore.

Mochlodon is since 2003 considered a member of the Rhabdodontidae.


Mochlodon Wikipedia

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