a plant-eating plateosaurid sauropodomorph dinosaur from the Late Triassic of South Africa.
Aliwal North, South Africa
was discovered in the Lower Elliot Formation at Barnard's Spruit in the Stormberg Mountains by Alfred Brown, about 15 miles south of his home town of Aliwal North, South Africa, in 1863.
(BMNH R1625) is a portion of a right femur, "25 and a half inches long".
: 228-209 mya
Est. max. length
: 8 meters
Est. max. hip height
Est. max. weight
: 800 Kg
Huxley coined Orosaurus
for what he thought was a femur (R.1626) from Brown's fossil shipments in the same 1867 paper that he described Euskelosaurus
. Lydekker realised this bone was actually a shin, renamed it Orinosaurus
, and added the epithet capensis
in 1889 in a bid to avoid any confusion with the "more correctly formed" Oreosaurus
that Peters had coined in 1862. Under the rules of priority, Peters' critter had already seen off Marsh's 1872 Oreosaurus
—an anguid lizard from Wyoming that Cope renamed Xestops
a year later. As it turns out, Lydekker's move was a wasted, and uneccesary, excercise, but Orinosaurus
lay virtually undisturbed for just over a half century until von Huene moved its single bone to Euskelosaurus
(as Euskelosaurus capensis
) in 1940. Almost all experts consider Euskelosaurus capensis
to be a specimen of Euskelosaurus brownei
, perhaps part of the holotype... except for Steel (1970) who still calls it Orosaurus
• Huxley (1867) "On some Remains of large Dinosaurian Reptiles from the Stormberg Mountains, South Africa" in The Quarterly Journal of the Geological Society of London, Volume 23
• Lydekker R. (1889) "Notes on new and other dinosaurian remains". Geological Magazine, decade 3 6(8):352-356
• Broom, R. (1913) "On the dinosaurs of the Stormberg, South Africa
• Huene, F. v. (1940) "Die Saurier der Karroo-, Gondwana-, und verwandten Ablagerungen in faunistischer, biologischer und phylogenetischer Hinsicht" [Saurians of the Karroo, Gondwana, and other deposits in faunistic, biological, and phylogenetic regard]. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, Beilage-Band, Abteilung B 83:246-347.
• Heerden, J. v. (1979) "The morphology and taxonomy of Euskelosaurus
(Reptilia: Saurischia; Late Triassic) from South Africa".
• Steel, R. (1970) Part 14. Saurischia. Handbuch der Paläoherpetologie/Encyclopedia of Paleoherpetology. Gustav Fischer Verlag, Stuttgart 1-87.
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