Ophiostigma isocanthum
- kingdom: Animalia
- phylum: Echinodermata
- class: Ophiuroidea
- order: Ophiurida
- family: Amphiuridae
- genus: Ophiostigma
- species: Ophiostigma isocanthum
Falmouth
Saint Paul
Antigua And Barbuda
El Porvenir
Guna Yala
Panama
Key West- Stock Island
Florida
United States