Malletiidae Adams and Adams, 1858
Key morphological features: Elongated shells which are mostly smooth, but can have ridges.
MOBILITY: Mobile (burrow)
FEEDING MODE: Deposit Feeder
Cox, L. R. et al. 1969. Bivalvia, in R. C. Moore ed., Treatise on Invertebrate Paleontology, Part N, Mollusca 6, Volume 2. The University of Kansas and Geological Society of America. 1224 pp.