Gracilaria caudata
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gracilariales
- family: Gracilariaceae
- genus: Gracilaria
- species: Gracilaria caudata
Guaratuba
Paraná- Armação de Búzios
Rio de Janeiro
Brazil
Jobos
Guayama- Indios
Guayanilla- Central Aguirre
Salinas
Puerto Rico
Key West
Florida
United States