Semicassis granulata
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Cassidae
- genus: Semicassis
- species: Semicassis granulata
San Felipe
Baja CaliforniaTuxpan de Rodríguez Cano
Veracruz
MexicoCul de Sac
00
SXMarigot
00
Saint MartinKey West
Saint James City
Samoset
West Samoset
FloridaBeaufort
North CarolinaPort Aransas
Texas
United States