Costifer
| Costifer | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Porifera | 
| Class: | Demospongiae | 
| Order: | Tetractinellida | 
| Family: | Isoraphiniidae Schrammen, 1924  | 
| Genus: | Costifer Wilson, 1925  | 
Costifer is a genus in the monotypic family Isoraphiniidae of sea sponges, and was first described by Henry Van Peters Wilson in 1925.