Ornithomerus

Ornithomerus; Temporal range: Late Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N Late Cretaceous
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Order:	†Ornithischia
Clade:	†Ornithopoda
Clade:	†Iguanodontia
Genus:	†Ornithomerus; Seeley, 1881
species
	Ornithomerus gracilis Seeley, 1881;

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

Discovery and species[]

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.^[1] Bunzel in 1871 referred PIUW 2349/3 (identified by him as a thoracal rib) to Lacerta sp.^[2] In 1881 Harry Govier Seeley recognized PIUW 2349/3 as a femur belonging to Dinosauria and erected the new genus and species Ornithomerus gracilis for it.^[3] The generic name is derived from Greek ornithos, "bird", and meros, "shin". Norman and Weishampel (1990) and Norman (2004) listed Ornithomerus, along with Oligosaurus and Mochlodon, as a synonym of Rhabdodon.^[4]^[5] However, Sachs and Hornung (2006) assigned Ornithomerus to Zalmoxes sp. along with the Mochlodon suessi holotype.^[6]

The type specimen PIUW 2349/3 was found in the Grünbach Formation of the Gosau Group dating from the Lower Campanian, about 80 million years old.

References[]

^ Bunzel, E. (1870). "Notice of a Fragment of a Reptilian Skull from the Upper Cretaceous of Grunbach". Quarterly Journal of the Geological Society. 26 (1–2): 394. doi:10.1144/GSL.JGS.1870.026.01-02.35.
^ E. Bunzel, 1871, "Die Reptilfauna der Gosauformation in der Neuen Welt bei Wiener-Neustadt", Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 5: 1-18
^ Seeley, H. G. (1881). "The Reptile Fauna of the Gosau Formation preserved in the Geological Museum of the University of Vienna: with a Note on the Geological Horizon of the Fossils at Neue Welt, west of Wiener Neustadt, by Edw. Suess, Ph.D., F.M.G.S., &c., Professor of Geology in the University of Vienna, &c". Quarterly Journal of the Geological Society. 37 (1–4): 620–707. doi:10.1144/GSL.JGS.1881.037.01-04.49.
^ D. B. Norman and D. B. Weishampel. 1990. Iguanodontidae and related ornithopods. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria. University of California Press, Berkeley 510-533.
^ D. B. Norman. 2004. Basal Iguanodontia. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria (2nd edition). University of California Press, Berkeley 413-437.
^ Sachs, S; Hornung, J (2006). Juvenile ornithopod (Dinosauria: Rhabdodontidae) remains from the Upper Cretaceous (Lower Campanian, Gosau Group) of Muthmannsdorf (Lower Austria). Geobios. 39 (3): 415–425. doi:10.1016/j.geobios.2005.01.003.

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[1] Bunzel, E. (1870). "Notice of a Fragment of a Reptilian Skull from the Upper Cretaceous of Grunbach". Quarterly Journal of the Geological Society. 26 (1–2): 394. doi:10.1144/GSL.JGS.1870.026.01-02.35.

[2] E. Bunzel, 1871, "Die Reptilfauna der Gosauformation in der Neuen Welt bei Wiener-Neustadt", Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 5: 1-18

[3] Seeley, H. G. (1881). "The Reptile Fauna of the Gosau Formation preserved in the Geological Museum of the University of Vienna: with a Note on the Geological Horizon of the Fossils at Neue Welt, west of Wiener Neustadt, by Edw. Suess, Ph.D., F.M.G.S., &c., Professor of Geology in the University of Vienna, &c". Quarterly Journal of the Geological Society. 37 (1–4): 620–707. doi:10.1144/GSL.JGS.1881.037.01-04.49.

[4] D. B. Norman and D. B. Weishampel. 1990. Iguanodontidae and related ornithopods. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria. University of California Press, Berkeley 510-533.

[5] D. B. Norman. 2004. Basal Iguanodontia. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria (2nd edition). University of California Press, Berkeley 413-437.

[6] Sachs, S; Hornung, J (2006). Juvenile ornithopod (Dinosauria: Rhabdodontidae) remains from the Upper Cretaceous (Lower Campanian, Gosau Group) of Muthmannsdorf (Lower Austria). Geobios. 39 (3): 415–425. doi:10.1016/j.geobios.2005.01.003.

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