The Echinoid Directory

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

Cidaris (Protocidaris) bencontestus de Gregorio, 1930; figured holotype. Calcari con Fusulina, Permian, Sicily.  Spine (from de Gregorio, 1930, Pl. 12, figs 20-21).

Length of spine 12 mm.