| Diet | Herbivore |
| Height | 4m |
| Length | 12m |
| Weight | 8 tonnes |
| Environment | Land |
| Era | Jurassic |
| Period | Late Jurassic |
| Type | Sauropod |
| Location | France |
Neosodon was a sauropod dinosaur that lived during the Late Jurassic period, approximately 149 million years ago, in what is now northern France. Known only from six fossilised teeth discovered in the Pas-de-Calais department, this dinosaur remains one of the more mysterious members of the sauropod family. The limited fossil evidence makes Neosodon what palaeontologists call a 'nomen dubium' - a name of doubtful validity due to insufficient remains for proper scientific classification.
Despite the scarcity of fossils, scientists can infer that Neosodon was likely a typical sauropod - a massive, long-necked herbivore that walked on four sturdy legs. These dinosaurs were amongst the largest land animals ever to exist, and Neosodon would have shared many characteristics with its better-known relatives, including a small head relative to its enormous body and powerful jaws designed for stripping vegetation.
The teeth of Neosodon suggest it fed on the lush plant life of Late Jurassic Europe, which included ferns, conifers, and cycads. Recent scientific studies have suggested that Neosodon might be related to Turiasaurus, a gigantic sauropod discovered in Spain that lived around the same time period. This potential relationship hints that Neosodon could have been part of a group of exceptionally large European sauropods.
The fragmentary nature of Neosodon's remains highlights the challenges palaeontologists face when studying ancient life. What began as isolated teeth has sparked decades of scientific debate about classification and relationships, demonstrating how even the smallest fossil discoveries can contribute to our understanding of prehistoric ecosystems.
Neosodon is distinguished primarily by its teeth, which are the only known fossil remains. The dental structure suggests it was adapted for processing tough plant material, typical of sauropod dinosaurs.
As a sauropod, Neosodon would have spent most of its time feeding on vegetation, using its long neck to reach high into tree canopies. It likely lived in herds for protection and would have been a peaceful giant of the Late Jurassic forests.
Neosodon was first described by Émilien Deslongchamps in 1869. The original fossils were discovered at Pas-de-Calais department, France.
