Family
Amaltheidae Hyatt, 1867
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Ammonoidea |
| Family | Amaltheidae |
| Species | Amaltheus margaritatus |
| Family | Perisphinctidae |
| Genus | Turrilitidae |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Ammonoidea |
| Family | Amaltheidae |
| Species | Amaltheus margaritatus |
| Family | Perisphinctidae |
| Genus | Turrilitidae |