The Echinoid Directory

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

Trigonocidaris albida Agassiz, 1869; Museum of Comparative Zoology, Harvard 4485 (syntype). Recent, Pourtales plateau, Florida, USA. Oral view.

Diameter of test 9.5 mm.