Semicassis undulata
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Cassidae
- genus: Semicassis
- species: Semicassis undulata
Toulon
B8
FranceSanta Margherita Ligure
Sori
Liguria
ItalyMarsaskala
Marsaskala
MaltaPeniche
Leiria
PortugalPalma
Balearic IslandsValsequillo de Gran Canaria
Canary IslandsPalamós
Catalonia
Spain