Arcticidae Newton, 1891
Key morphological features: Shells have a slightlly trapezoid shape with a smooth surface, occaisionally with slight ribbing.
MOBILITY: Mobile (burrow)
FEEDING MODE: Suspension 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.