The Echinoid Directory

• Home
• Introduction
• Morphology
• Keys
• Classification
• 3D models
• Index to taxa
• Glossary
• Log in

Temnocidaris (Hirudocidaris) hirudo (Agassiz, 1863); NHM E39828. M. coranguinum Zone, Santonian, Upper Cretaceous, Pegwell Bay, Kent, UK. Lateral view.

Diameter of test ca. 48 mm.