selts
Bajkalocerida Zhuravleva, 1978
Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Orthoceratia |
| selts | Astroviida |
| Bajkalocerida | |
| Dissidoceratida | |
| Endoceratida | |
| Orthocerida | |
| Pseudorthocerida | |
| Rioceratida |
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Orthoceratia |
| selts | Astroviida |
| Bajkalocerida | |
| Dissidoceratida | |
| Endoceratida | |
| Orthocerida | |
| Pseudorthocerida | |
| Rioceratida |