Heloplacidae
| Heloplacidae Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | incertae sedis |
| Family: | †Heloplacidae Cherns, 2004 |
| Genera | |
| |
The Heloplacidae are a group of plated aplacophora known from Silurian deposits. Their best understood representative, Acaenoplax, can be taken as representative of the family; it is the only genus for which soft part anatomy is known.