The Echinoid Directory

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

Cardiopelta trigonalis (Desor, 1872); Museum National d'Histoire Naturelle, Paris, unregistered. A. tenuilolatus Zone, Tithonian, Upper Jurassic, Randen, Schaftonse, Switzerland. Camera lucida drawing of apical disc plating.

Length of test 25 mm.