The largest known Ichtiosaur was Shastasaurus (“Mt. Shasta lizard”). It was around 17 – 21 m (56 – 69 ft) in length.
Source: https://dinoanimals.com
This huge reptile lived in the middle and late Triassic. Shastasaurus is also the largest known marine reptile.
Previous post:
The longest mosasaur. Next Post:
The largest flying animal that ever existed
The longest mosasaur. Next Post:
The largest flying animal that ever existed