Atlantic casmaria
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Cassidae
- genus: Casmaria
- species: Casmaria ponderosa
Hagåtña
Hagatna- Merizo Village
Merizo
Guam
Balabac
Mimaropa
Philippines
Atlantic casmaria Hagåtña Merizo Village Balabac