tropical periwinkle
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order:
- family: Planaxidae
- genus: Planaxis
- species: Planaxis sulcatus
- Grand Gaube
Rivière du Rempart
Mauritius- Tanga
Tanga
Tanzania- Ban Ao Nang
Phangnga
Thailand- Cầu Gồ
Bắc Giang
Viet Nam