Costoanachis hotessieriana
- kingdom: Animalia
- phylum: Mollusca
- class: Gastropoda
- order: Neogastropoda
- family: Columbellidae
- genus: Costoanachis
- species: Costoanachis hotessieriana
- Cul de Sac
00
SX- Marigot
00
Saint Martin- Marathon
- Stock Island
Florida
United States