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Crassatellidae - Wikipedia
Bivalve - Simple English Wikipedia, the free encyclopedia
Bivalves: Phylum Mollusca, Class Bivalvia
Grand Canyon-Parashant National Monument - This is most likely the
Pearly Clamclamp - Pikipedia, the Pikmin wiki
Bivalve shell - Wikipedia
Lot 10 Seashells Smooth Shells Glycymerididae Glycymeris
PDF) Comparison of Quantitative Morphology of Layered and Arbitrary Patterns: Contrary to Visual Perception, Binary Arbitrary Patterns Are Layered from a Structural Point of View
Venerupis corrugata - Wikipedia
Oyster twist
Glycymeris longior - Wikipedia
Fossil identify? - Fossil ID - The Fossil Forum
How do gastropods differ from bivalves? + Example
Fossil Bivalve - Shell - Trigonia costata Ringsheim - 8×6.5×2.5 cm
bivalve Skeptical Squirrel