Plenaster
| Plenaster | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Porifera | 
| Class: | Demospongiae | 
| Order: | Axinellida | 
| Family: | Stelligeridae | 
| Genus: | Plenaster Lim & Wiklund, 2017 | 
| Species: | P. craigi | 
| Binomial name | |
| Plenaster craigi Lim & Wiklund, 2017 | |
Plenaster is a monotypic genus of sponges in the family Stelligeridae. Plenaster craigi is the sole species. It lives on rocks on the Pacific Ocean seafloor.
Plenaster craigi have been named after the star like skeletal spicules inside their bodies.