These diagrams of the plesiosaurus, the ichthyosaurus, the pterodactyle, give you a notion of some of these extinct reptiles.
There are no walking feet, but a pair of fins or paddles like those of Ichthyosaurus.
In reality I was just as much worried over the loss of the ichthyosaurus.
The Ichthyosauria are confined to beds of Secondary age and by far the best known genus is Ichthyosaurus.
The Lias is noted for its ammonites, and especially for its great marine reptiles, Ichthyosaurus and Plesiosaurus.
