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RUBEOSAURUS

a plant-eating centrosaurine ceratopsid dinosaur from the Late Cretaceous of North America.
rubeosaurus
Pronunciation: ROO-bee-o-SOR-us
Meaning: Thornbush (bramble) lizard
Author/s: McDonald and Horner (2010)
Synonyms: Styracosaurus ovatus
First Discovery: Montana, USA
Chart Position: 587

Rubeosaurus ovatus

(Ovate thornbush lizard) Etymology
Rubeosaurus is derived from the Latin "rubeus" (thornbush or bramble, aka blackberry bush) and the Greek "sauros" (lizard), named for the array of spikes adorning its frill. The species epithet, ovatus, means "egg-shaped" in Latin. The name was coined by American paleontologist and Herman Munster look-a-like Charles Whitney Gilmore in 1930 for the shape of its frill.
Discovery
The remains of Rubeosaurus were discovered on a Blackfoot Indian Reservation in the upper Two Medicine Formation at Milk River, Glacier County, Montana, by George F. Sternberg in 1928.
The holotype (USNM 11869) is a partial frill (parietal) which Gilmore named as a second species of StyracosaurusStyracosaurus ovatus, and for years it caused problems, coasting between valid and not so from paleontologist to paleontologist. The discovery of a partial skull (MOR 492) in 1986 convinced McDonald and Horner that Rubeosaurus was a distinct critter, closer to Einiosaurus than to Styracosaurus.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Campanian
Age range: 80-73 mya
Stats:
Est. max. length: 6 meters
Est. max. hip height: ?
Est. max. weight: 2 tons
Diet: Herbivore
References
• McDonald, A.T. and Horner, J.R. (2010) "New Material of "Styracosaurus" ovatus from the Two Medicine Formation of Montana" in "New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium".
• Gilmore, C. W. (1930) "On dinosaurian reptiles from the Two Medicine Formation of Montana".
• McDonald, A.T. (2011) "A Subadult Specimen of Rubeosaurus ovatus (Dinosauria: Ceratopsidae), with Observations on Other Ceratopsids from the Two Medicine Formation".
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To cite this page:
Atkinson, L. "RUBEOSAURUS :: from DinoChecker's dinosaur archive".
›. Web access: 10th Dec 2017.
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