Cathartesaura Facts
Pronunciation: kath-AR-teh-SORE-ah
Name meaning: Vulture Lizard
| Diet | Herbivore |
| Height | 5m |
| Length | 18m |
| Weight | 12 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Sauropod |
| Location | Argentina |
Cathartesaura was a remarkable sauropod dinosaur that roamed the ancient landscapes of South America during the Late Cretaceous period, approximately 100.5 million years ago. This impressive herbivore lived in what is now Argentina, where its fossilised remains were discovered in the mudstone and sandstone deposits of the Huincul Formation.
As a sauropod, Cathartesaura possessed the classic long-necked body plan that made these dinosaurs so distinctive. With an estimated length of around 18 metres and standing roughly 5 metres tall at the hip, it was a substantial creature that would have dominated its environment. Like other sauropods, it walked on four sturdy legs and used its elongated neck to reach vegetation at various heights, from ground-level ferns to tall conifer trees.
Cathartesaura's diet consisted entirely of plants, and its powerful jaw muscles would have helped it process tough vegetation including ferns, conifers, and cycads that were abundant during the Cretaceous period. The dinosaur's teeth were adapted for stripping leaves rather than chewing, so it likely swallowed stones to help grind food in its stomach, a behaviour common among sauropods.
The discovery of Cathartesaura has provided valuable insights into the diversity of South American sauropods during the Cretaceous period, demonstrating that this continent supported a rich variety of these magnificent long-necked giants.
What made Cathartesaura distinctive?
Cathartesaura was characterised by its moderately long neck, robust limb bones, and distinctive vertebral features that set it apart from other sauropods. The fossil remains show evidence of particularly well-developed leg bones, suggesting it was a powerfully built member of the sauropod family.
Behaviour
Cathartesaura likely moved in small herds across the ancient floodplains of Cretaceous Argentina, using its long neck to browse on vegetation at different levels. Like other sauropods, it probably spent most of its day feeding to support its massive body size, and may have migrated seasonally in search of fresh vegetation.
Discovery
Cathartesaura was first described by Pablo Gallina and Sebastián Apesteguía in 2005. The original fossils were discovered at La Buitrera locality, Huincul Formation, Río Negro Province, Argentina.
Cathartesaura FAQ
What did Cathartesaura eat?
Cathartesaura was a herbivore that fed on the abundant plant life of Cretaceous Argentina, including ferns, conifers, cycads, and other vegetation. It used its long neck to reach plants at various heights and likely swallowed stones to help digest tough plant material in its stomach.
How big was Cathartesaura?
Cathartesaura was approximately 18 metres long and stood about 5 metres tall at the hip. It weighed an estimated 12 tonnes, making it a substantial but not gigantic member of the sauropod family.
When did Cathartesaura live?
Cathartesaura lived during the
Late Cretaceous period, specifically around 100.5 million years ago during the Cenomanian-Turonian epochs. This was a time when the climate was warmer and more tropical than today.
Where was Cathartesaura found?
Cathartesaura fossils were discovered in Argentina, specifically at the La Buitrera locality in the Huincul Formation of Río Negro Province. The remains were found in mudstone and sandstone deposits that formed in an ancient river system.
How do you pronounce Cathartesaura?
Cathartesaura is pronounced 'kath-AR-teh-SORE-ah'. The name breaks down into syllables as Cath-ar-te-saur-a, with the emphasis on the second syllable.
What does Cathartesaura mean?
Cathartesaura means 'vulture lizard' in Greek and Latin. Despite its name suggesting a scavenger, Cathartesaura was actually a peaceful plant-eating dinosaur. The name may refer to the location where it was found or other characteristics.
How fast could Cathartesaura run?
The speed of Cathartesaura is unknown, but like most large sauropods, it was probably a slow-moving animal. Its massive size and weight would have made rapid movement difficult, and as a herbivore, it had little need for speed.
What type of dinosaur was Cathartesaura?
Cathartesaura was a sauropod dinosaur, specifically a member of the Rebbachisauridae family. Sauropods were the long-necked, plant-eating giants that included some of the largest land animals ever to exist.
Was Cathartesaura related to birds?
Like all dinosaurs, Cathartesaura was related to modern birds, but only distantly. As a sauropod, it belonged to a different major group of dinosaurs than the theropods that gave rise to birds. The relationship is similar to how humans and lemurs are both primates but quite distantly related.
How many Cathartesaura fossils have been found?
Only one partial skeleton of Cathartesaura has been discovered so far, consisting of vertebrae and limb bones found in 2005. While this is limited fossil material, it was sufficient for scientists to identify it as a new species and understand its basic characteristics.
