Muyelensaurus Facts
Pronunciation: moo-yeh-LEN-sore-us
Name meaning: Muyelen Lizard (after the Muyelen region)
| Diet | Herbivore |
| Height | 4m |
| Length | 15m |
| Weight | 12 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Sauropod |
| Location | Argentina |
Muyelensaurus was a remarkable sauropod dinosaur that lived during the Late Cretaceous period, approximately 89.8 million years ago. This fascinating creature roamed the ancient landscapes of what is now Patagonia, Argentina, where its fossils were discovered in the Plottier Formation of Neuquén Province. What makes Muyelensaurus particularly interesting is that it was notably more slender than its massive titanosaurian relatives, representing a more graceful build amongst the giants of its time.
As a sauropod, Muyelensaurus possessed the characteristic long neck and tail, walking on four sturdy legs whilst reaching high into the canopy to feed on vegetation. Its slender build suggests it may have been adapted for a slightly different lifestyle compared to its bulkier cousins, possibly allowing for greater agility or access to different food sources in its prehistoric environment.
Like other sauropods, Muyelensaurus was a herbivore, using its long neck to browse on high vegetation including conifers, ferns, and cycads that dominated the Cretaceous landscape. Its teeth were adapted for stripping leaves rather than chewing, as these dinosaurs swallowed stones called gastroliths to help grind up plant material in their stomachs.
The discovery of Muyelensaurus has provided valuable insights into the diversity of titanosaurian sauropods in South America during the Late Cretaceous, demonstrating that these giants came in various shapes and sizes, each adapted to their specific ecological niche.
What made Muyelensaurus distinctive?
Muyelensaurus was notably more slender and gracile than other titanosaurian sauropods, giving it a less bulky appearance. It possessed the typical sauropod features of an extremely long neck and tail, but with a more elegant, streamlined build that set it apart from its more robust relatives.
Behaviour
Like other sauropods, Muyelensaurus likely lived in herds for protection and moved slowly across the landscape browsing on vegetation. Its slender build may have allowed it to access different feeding areas or move through denser vegetation more easily than bulkier titanosaurs.
Discovery
Muyelensaurus was first described by Jorge Calvo, Bernardo González Riga, and Juan Porfiri in 2007. The original fossils were discovered at Plottier Formation, Neuquén Province, Patagonia, Argentina.
Muyelensaurus FAQ
What did Muyelensaurus eat?
Muyelensaurus was a herbivore that fed on the plants available during the
Late Cretaceous period. It would have used its long neck to browse on tall conifers, ferns, cycads, and other vegetation, stripping leaves with its teeth and swallowing them whole along with stones to help digest the tough plant material.
How big was Muyelensaurus?
Muyelensaurus reached approximately 15 metres in length and stood about 4 metres tall at the hip. It weighed around 12 tonnes, making it substantial but notably more slender and lighter than many other titanosaurian sauropods of its time.
When did Muyelensaurus live?
Muyelensaurus lived during the
Late Cretaceous period, approximately 89.8 million years ago. This was during the Turonian stage of the Cretaceous, a time when South America was home to diverse dinosaur communities.
Where was Muyelensaurus found?
Muyelensaurus fossils were discovered in the Neuquén Province of Patagonia, Argentina. The remains were found in the Plottier Formation, though they were initially thought to come from the nearby Portezuelo Formation.
How do you pronounce Muyelensaurus?
Muyelensaurus is pronounced 'moo-yeh-LEN-sore-us', with emphasis on the 'LEN' syllable. The name refers to the Muyelen region where it was discovered.
What does Muyelensaurus mean?
Muyelensaurus means 'Muyelen Lizard', named after the Muyelen region in Patagonia where its fossils were discovered. Like all dinosaur names ending in 'saurus', it includes the Greek word for lizard.
How fast could Muyelensaurus run?
The speed of Muyelensaurus is not well established, but like other large sauropods, it would have been a slow-moving animal. Its size and weight would have limited it to walking speeds, though its more slender build might have allowed slightly faster movement than bulkier titanosaurs.
What type of dinosaur was Muyelensaurus?
Muyelensaurus was a sauropod dinosaur, specifically belonging to the titanosaurian group. It was a member of the Titanosauridae family, which included some of the largest land animals that ever lived, though Muyelensaurus was more slender than most of its relatives.
Was Muyelensaurus related to birds?
Muyelensaurus was not closely related to birds. As a sauropod, it belonged to a different major group of dinosaurs called Saurischia, but it was on a completely different evolutionary branch from the theropod dinosaurs that gave rise to modern birds.
How many Muyelensaurus fossils have been found?
The exact number of Muyelensaurus specimens is not widely publicised, but like many dinosaur species, it is likely known from limited fossil material. The type species M. pecheni was described in 2007 based on fossils from the Plottier Formation in Argentina.
