Astartidae d'Orbigny, 1844
Key morphological features: The astartidae have triangle shaped shells with concentric ribbing although sometimes smooth.
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.