Family
Amitidae Syssoiev, 1966
Selection of related publications
Malinky, J. M., Berg-Madsen, V. 1999. A revision of Holm's Early and Early Mid Cambrian hyoliths of Sweden.  Palaeontology   42,   1,   25-65. DOI:10.1111/1475-4983.00061
List of species
1. Hexitheca  teretisulculus (Linnarsson, 1877) | Cambrian
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Hyolitha | 
| Order | Hyolithida | 
| Family | Amitidae | 
| Genus | Aimitus | 
| Hexitheca | |
| Family | Angusticornidae | 
| Carinolithidae | |
| Crispatellidae | |
| Hyolithidae | |
| Parentilitidae | |
| Slapylitidae | |
| Sulcavitidae | |
| Tulenicornidae |