Temnocidaris (Stereocidaris) sceptrifera, a fossil echinoid 5.5cm in diameter from the Cretaceous Chalk of Hertfordshire, England We have set out on an ambitious programme to develop a new collections ...

Echinoids are a major group of marine invertebrates with a long fossil record. If you know nothing about the group the obvious place to start is at the Introduction. Here you will find some basic ...