Taeniacanthus williamsi
- kingdom: Animalia
- phylum: Arthropoda
- class: Hexanauplia
- order: Cyclopoida
- family: Taeniacanthidae
- genus: Taeniacanthus
- species: Taeniacanthus williamsi
Ifalik
Yap
Micronesia, Federated States Of
Al Ma‘allā’- At Tawāhī
Aden
Yemen