Brachauchenius was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Brachauchenius lived during the Cretaceous. The first Brachauchenius fossil was discovered in 1903.
Quick facts about Brachauchenius:
- Existed from Cenomanian Age to 89.3 million years ago
 - Lived in a marine environment
 - Was a carnivore
 - Reproduced by live birth
 - 5 different specimens have been found by paleontologists
 
All the Brachauchenius illustrations below were collected from the internet. Enjoy and explore:
- R. Owen. 1860. Note on some remains of Polyptychodon from Dorking. Quarterly Journal of the Geological Society 16:262-263
 - G. A. Liggett and K. Shimada. 2005. Cenomanian (Late Cretaceous) reptiles from northwestern Russell County, Kansas. PaleoBios 25:9-17
 - S. W. Williston. 1903. On the structure of the plesiosaurian skull. Science 17(442):980
 
