Photo of Natica arachnoidea taken by Dave Morgan at Lembeh, Indonesia (verified by Richard Willan)
Scientific Classification:
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Subclass
Orthogastropoda
Order
Neotaenioglossa
Family
Naticidae
Species
Natica arachnoidea
Information
Comment from expert, Richard Willan: The shell, which is spherical, has a pattern of dark (brown or reddish brown) markings like a spider’s web. The animal has a shelly operculum. Judging by the shape of its shell, this individual is juvenile.