Isisaurus Facts
| Diet | Herbivore |
| Height | 4m |
| Length | 18m |
| Weight | 15 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Sauropod |
| Location | India And Pakistan |

| Diet | Herbivore |
| Height | 4m |
| Length | 18m |
| Weight | 15 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Sauropod |
| Location | India And Pakistan |
Isisaurus was a massive sauropod dinosaur that roamed the ancient landscapes of what is now India and Pakistan during the Late Cretaceous period, approximately 72 million years ago. This impressive herbivore belonged to the titanosaurian group of sauropods, which were among the last and most successful long-necked dinosaurs to evolve before the great extinction event.
Measuring around 18 metres in length and standing 4 metres tall at the hip, Isisaurus was a substantial creature weighing an estimated 15 tonnes. Like other sauropods, it possessed the classic long neck and tail, four sturdy pillar-like legs, and a relatively small head compared to its enormous body. However, Isisaurus had several distinctive features that set it apart from its relatives, including unique vertebral characteristics and limb proportions.
As a herbivore, Isisaurus used its long neck to reach vegetation at various heights, from ground-level ferns to tall conifers. Its teeth were adapted for stripping leaves rather than chewing, so it likely swallowed stones to help grind plant material in its massive stomach. The discovery of Isisaurus fossils has provided valuable insights into the diversity of titanosaurian sauropods that flourished across the southern continents during the final chapter of the age of dinosaurs.
Isisaurus had distinctive vertebral features including unique neural spine shapes and specific characteristics in its limb bones that distinguished it from other titanosaurian sauropods. Its proportions suggest it was more robust than some of its relatives, with particularly sturdy leg bones to support its massive weight.
Like other sauropods, Isisaurus likely lived in herds for protection and may have migrated seasonally in search of food. Its long neck allowed it to browse on vegetation without moving its massive body frequently, making it an efficient feeder in the Late Cretaceous forests of ancient India.
| Phylum | Chordata |
| Class | Saurischia |
| Genus | Isisaurus |
Isisaurus was first described by Jeffrey Wilson and Sankar Chatterjee in 2003. The original fossils were discovered at Lameta Formation, India.