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Mactridae

Mactridae

Overview

Mactridae Lamarck, 1809

Common Name: Duck Clams

Extant/Extinct

Key morphological features: Shells are thin, smooth, triangular in shape, and covered with an outer layer called a periostracum

        SIZE:

Paleoecology:

        MOBILITY: Mobile (burrow)

        FEEDING MODE: Suspension Feeder

        HABITAT: Infaunal

Sources:

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.

Genera of Mactridae present in the Cretaceous of the Western Interior Seaway