The Echinoid Directory

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

Pseudarbacina fraasi (Gauthier, in Fourtau, 1901); figured syntype.
Vindobonian, Miocene, Gebel Geneffe, Egypt. Ambulacral and interambulacral plating (from Fourtau, 1901, pl. 6).

Diameter of test ?10 mm.