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Archaeogastropoda (Gastropoda): Molluscs

Keyhole Limpets (Fissurellidae)
Nerites (Neritidae)
Slit Shells (Pleurotomariidae)
Stomatellas (Stomatellidae)
True Limpets (Patellacea)
Turbans & Star Shells (Turbinidae)

• Archaeogastropoda - Text, Images, and Classification.