Desmaulus extinctorium
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Calyptraeidae
- genus: Desmaulus
- species: Desmaulus extinctorium
Ban Ao Nang
Phangnga
Thailand
Cầu Gồ
Bắc Giang
Viet Nam