Species
Skenidioides costatus Cooper, 1956
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Protorthida | 
| Superfamily | Skenidioidea | 
| Family | Skenidiidae | 
| Genus | Skenidioides | 
| Species | acutum | 
| costatus | |
| Subspecies | balticus | 
| Species | hymiri | 
| lewisii | |
| minutus | |
| petrasi | |
| scoliodus |