Journal of Paleontology, Vol. 83, No. 6 (Nov., 2009), pp. 954-961 (8 pages) X-ray CT scans at two different energies of three articulated specimens of Spathelopsis oakvalensis n. sp., a bivalve from ...
What is a mollusk? -- What is a shell? -- Shell collecting -- Shell identification key -- The shells -- Chitons -- Bivalves -- Schaphopods -- Gastropods ...
A clam shell may be a familiar find on the beach, but its intricate curves and markings tell a rich tale. For centuries, biologists have collected, drawn, measured and compared the shells of bivalve ...
A new paleontology study by UChicago researchers discovered that rock-boring clams, known as bivalves, vary in shape despite performing the same function. This paper is one of the first major studies ...