The Echinoid Directory

Arbacia lixula (Linnaeus, 1758): 3D models (static)

Key to colours

• Dark blue - digestive tract
• Light blue - caecum
• Green - axial complex
• Yellow - gonads
• Pink - siphon
• Dark red - Stewart's organs
• Orange - buccal sacs

Aboral view

Lateral view

Oral view