Restoration of Utatsusaurus, a typical ichthyopterygian
Ichthyopterygia is a superorder of ichthyosaurs and their primitive relatives that ranged from the early Triassic to the late Cretaceous. It includes Hupehsuchia (Hupehsuchus) Grippidia (Grippia), and Ichthyosauria.
Taxonomy[]
- Superorder Ichthyopterygia
- Isfjordosaurus
- Family Parvinatatoridae
- Family Thaisauridae
- Family Utatsusauridae
- Eoichthyosauria
- Order Grippidia
- Order Ichthyosauria