The Echinoid Directory

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

Camera lucida drawings of supra-ambital (upper) and sub-ambital (lower) ambulacral plating pattern in Pedinopsis meridanensis (Coquand, 1864), University of Lyon Palaeontological Collections: syntype.