| Diet | Herbivore |
| Height | 1m |
| Length | 3m |
| Weight | 200 kg |
| Environment | Land |
| Era | Jurassic |
| Period | Early Jurassic |
| Type | Sauropod |
| Location | South Africa |
Gyposaurus was a small sauropod dinosaur that lived during the Early Jurassic period in what is now South Africa, approximately 200 million years ago. This creature represents one of the early members of the sauropod lineage, specifically belonging to the group known as prosauropods, which were the predecessors to the massive long-necked dinosaurs that would dominate later periods.
Standing about 1 metre tall at the hip and reaching roughly 3 metres in length, Gyposaurus was considerably smaller than its famous giant relatives. It possessed the characteristic long neck and tail of early sauropods, though these features were much less pronounced than in later species. The creature likely moved on both two and four legs, showing the transitional nature of early sauropods between their bipedal ancestors and fully quadrupedal descendants.
As a herbivore, Gyposaurus fed on the ferns, cycads, and conifers that dominated the Early Jurassic landscape. Its teeth were adapted for stripping vegetation rather than chewing, suggesting it swallowed plant material whole and relied on gastroliths (stomach stones) to aid digestion. The dinosaur's relatively small size would have allowed it to access different food sources than larger herbivores of its time.
However, Gyposaurus remains a controversial genus in palaeontology. Most scientists now believe that many Gyposaurus specimens actually represent juvenile forms of other prosauropods, making the validity of this genus questionable. Only some specimens, particularly those referred to as 'G. sinensis', are still considered potentially valid as a distinct species.
Gyposaurus was characterised by its relatively small size compared to other early sauropods, with a moderately long neck and tail. Its limb proportions suggested it could move both bipedally and quadrupedally, representing a transitional form between earlier bipedal dinosaurs and later fully quadrupedal sauropods.
Gyposaurus likely lived in small groups, foraging for vegetation in the warm, humid environments of Early Jurassic South Africa. Its ability to rear up on hind legs would have allowed it to reach higher vegetation that ground-level feeders could not access, whilst its smaller size made it more agile than larger contemporary herbivores.
Gyposaurus was first described by Sidney Henry Haughton in 1911. The original fossils were discovered at Elliot Formation, South Africa.
