Andesaurus
Name:
Andesaurus
(Andes lizard).
Phonetic: An-deez-sore-us.
Named By: Jorge O. Calvo and Jose F. Bonaparte
- 1991.
Classification: Chordata, Reptilia, Dinosauria,
Saurischia, Sauropodomorpha, Sauropoda,Titanosauria.
Species: A. delgadoi (type).
Diet: Herbivore.
Size: About 15 to 18 meters long.
Known locations: Argentina, Neuquen Province -
Candeleros Formation.
Time period: Cenomanian of the Cretaceous.
Fossil representation: Partial post cranial remains
including vertebrae and fragments of the pelvis, ribs and hind limbs.
Named
after the Andes Mountains, Andesaurus was a
titanosaurian sauropod
dinosaur from South America, but one known from only incomplete
remains. This makes it hard to be certain about such things as a
total size or even a preferred diet beyond just general plants. The
vertebrae of Andesaurus though suggest that the
genus was a basal
(primitive) titanosaur.
Hailing
from the Candeleros Formation, Andesaurus may
have lived alongside
the rebbachisaurid sauropods Limaysaurus and Nopcsaspondylus.
Other
dinosaurs active here include dromaeosaurids
like Buiteraptor
and
alvaersaurids
like Alnashetri.
The dinosaurs of most concern to
Andesaurus however would have been large abelisaurs
like
Ekrixinatosaurus,
to even bigger carcharodontosaurids
like
Giganotosaurus,
either one of these were capable of taking down a
moderately sized sauropod.
Further reading
- [Andesaurus delgadoi n. g. n. sp. (Saurischia,
Sauropoda) a titanosaurid dinosaur from the R�o Limay Formation
(Albian-Cenomanian), Neuqu�n, Argentina.], Jorge O. Calvo
and Jose F. Bonaparte - 1991.
-
Anatomy of the basal titanosaur (Dinosauria, Sauropoda) Andesaurus
delgadoi from the mid-Cretaceous (Albian–early Cenomanian) R�o Limay
Formation, Neuqu�n Province, Argentina: implications for titanosaur
systematics. - Zoological Journal of the Linnean Society. 153: 1–27. -
P. D. Mannion & J. O. Calvo - 2011.
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