Phylum: Mollusca
Class: Bivalvia
Order: Nuculoida
Family: Malletiidae (Adams & Adams, 1858)
Cincinnatian Genera: Nuculites

Geologic Range
Ordovician – Recent

Common Paleoecology
Malletiidae is an extant family of faculatively mobile infaunal deposit feeders

Description of the Family

  • No resilifer
  • External ligament
  • Valves sometimes slightly nacreous within

Published Descriptions

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.