Ordovician – Recent
Malletiidae is an extant family of faculatively mobile infaunal deposit feeders
Description of the Family
- No resilifer
- External ligament
- Valves sometimes slightly nacreous within
Treatise on Invertebrate Paleontology, Part N, Mollusca 6(1 of 3) (1969):
- No resilifer, ligament predominantly external.
Adams & Adams (1858):
- Shell with the valves sometimes slightly nacreous within; ligament external.