a plant-eating dwarf titanosaurian sauropod dinosaur from the Late Cretaceous of Romania.
Magyar (people) lizard
Synonyms: Titanosaurus dacus
(Dacian Magyar lizard)Etymology
is derived from "Magyar" (the main ethnic group of Hungary) and the Greek "sauros" (lizard) . It may seem odd that a dinosaur from Romania honors Hungarian folk, but that's because Hatzeg in Western Romania still belonged to Hungary when Magyarosaurus was found there in 1915. It was originally named Titanosaurus dacus
by Baron Nopcsa.
The species epithet
, was named to honor the Dacians of ancient Romania.
The first fossils of Magyarosaurus
were discovered in the
lower Member of the Sânpetru Formation at Szentpéterfalva (Hungarian name for the Village of Sânpetru), Haţeg Basin, Judetul (county) Covurlui, Romania, by Nopcsa in 1895.
(BMNH R.3861a) is two vertebrae.
A dozen or so specimens from Sînpetru have since been assigned to Magyarosaurus
, including an armour plate from "La Cãrare" and forty eggs in 11 clutches, found at "Toteşti-baraj" by a Belgo-Romanian team in 2001.
In the summer of 2007, Márton Venczel found a single tail vertebra in
latest Cretaceous sediments at "Râpa Roşie"
which he assigned to Magyarosaurus
, because it's the only known sauropod from this time and place.
: Late Cretaceous
: 71-66 mya
Est. max. length
: 6 meters
Est. max. hip height
: 1.5 meters
Est. max. weight
: 1000 Kg
? (von Huene, 1932)
(von Huene, 1932)
• Nopcsa F (1915) "Die Dinosaurier der siebenburgischen Landesteile Ungarns"
[Dinosaurs of the Siebenberger regions of Hungary].
• von Huene F (1932) "Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte" [The Fossil Reptile Order Saurischia, Their Development and History].
• Csiki Z (1999) "New evidence of armoured titanosaurids in the Late Cretaceous - Magyarosaurus dacus
from the Hateg Basin (Romania)". Oryctos, Vol.2: 93-99, December 1999.
• Codrea VA, Murzea-Jipa C and Venczel M (2008) "A Sauropod Vertebrae at Râpa Rosie (Alba District)
". Acta Palaeontologica Romaniae V.6 (2008), P 43-48.
• Paul GS (2010) "The Princeton Field Guide to Dinosaurs
• Steina K, Csiki Z, Curry Rogers K, Weishampel DB, Redelstorff R, Carballido JL, and Martin Sander P (2010) "Small body size and extreme cortical bone remodeling indicate phyletic dwarfism in Magyarosaurus dacus (Sauropoda: Titanosauria)
". PNAS, vol. 107, no. 20, 9258-9263.
• Codrea V, Smith T, Dica P, Folie A, Garcia G, et al
. (2002) "Dinosaur egg nests, mammals and other vertebrates from a new Maastrichtian site of the Haţeg Basin (Romania)". CR Palevol 1: 173–180.
• Grellet-Tinner G, Codrea V, Folie A, Higa A. and Smith T. (2012) "First evidence of reproductive adaptation to "island effect" of a dwarf Cretaceous Romanian titanosaur, with embryonic integument in ovo
". PLoS ONE 7(3): e32051.
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