Erylus trisphaerus
- kingdom: Animalia
- phylum: Porifera
- class: Demospongiae
- order: Tetractinellida
- family: Geodiidae
- genus: Erylus
- species: Erylus trisphaerus
- CW
Calibishie- Woodford Hill
Saint Andrew
Dominica
Saint Croix
Saint Croix Island
Virgin Islands, U.S.
Sint Michiel Liber