| Class | Order | Family | Genus species | Images | Notes | Author | Char |
|---|---|---|---|---|---|---|---|
| Demospongiae | Poecilosclerida | Microcionidae | Artemisina melana | 5 | Thin, soft black sheet; purple inside; stains the fingers purple. Could be confused with Iotrochota arenosa, which is always thicker and releases more mucus. It is also known as Artemisina nigra sensu Alcolado & Gotera, 1986. | van Soest, 1984 | black,encrusting,soft |
