Heloplacidae

Heloplacidae
Temporal range:
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: incertae sedis
Family: Heloplacidae
Cherns, 2004
Genera
  • Acaenoplax Sutton et al, 2001
  • Arctoplax Cherns, 1998
  • Enetoplax Cherns, 1998
  • Emo? Sutton et al, 2025
  • Heloplax Cherns, 1998

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.