sugukond
Pachydiscidae Spath, 1922
Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Ammonoidea |
| selts | Ammonitida |
| Agoniatitida | |
| alamselts | Ammonitina |
| Ancyloceratina | |
| Haploceratina | |
| sugukond | Acanthoceratidae |
| Baculitidae | |
| Cardioceratidae | |
| Graphoceratidae | |
| Kosmoceratidae | |
| Nostoceratidae | |
| Pachydiscidae | |
| perekond | Lewesiceras |
| sugukond | Pseudotissotiidae |
| Scaphitidae |
See also