The Echinoid Directory

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

Plesiaster peini (Coquand, 1862). Aleg Formation, Lower Campanian, Upper Cretaceous. North of Oued El Khecha, Central Tunisia. NHM EE7695. Lateral view, anterior to left.

Length of test 53 mm.