Monoplex nicobaricus
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Littorinimorpha
- family: Ranellidae
- genus: Monoplex
- species: Monoplex nicobaricus
- Bolands
Saint Mary
Antigua And Barbuda- Hagåtña
Hagatna
Guam- Arsenal
- Terre Rouge
Pamplemousses- Chamouny
- Chemin Grenier
Savanne
Mauritius- Cul de Sac
00
SX- Marigot
00
Saint Martin- United States
- Saint Croix
Saint Croix Island
Virgin Islands, U.S.