Plocamionida ambigua
- kingdom: Animalia
- phylum: Porifera
- class: Demospongiae
- order: Poecilosclerida
- family: Hymedesmiidae
- genus: Plocamionida
- species: Plocamionida ambigua
Cidade Velha
Ribeira Grande de Santiago
Cape Verde
Straume
Hordaland
Norway