Petrosia nigricans
- kingdom: Animalia
- phylum: Porifera
- class: Demospongiae
- order: Haplosclerida
- family: Petrosiidae
- genus: Petrosia
- species: Petrosia nigricans
Cempa- Labuhanbajo
- Waewaso
East Nusa Tenggara- Amahusu
Maluku
Indonesia