Nannopterygius
In Depth Nannopterygius was first described in 1871 by John Hulke, but as a species of Ichthyosaurus, I. enthekiodon. However, the Ichthyosaurus genus was once treated as a wastebasket taxon, and many former species of Ichthyosaurus have now been re-assigned as distinct genera. This is what happened later in the early twentieth century when another … Read more