![](http://www.alamy.com/thumbs/6/39219EF1-E46F-4484-8633-6E5321B852F3/2B6BC2T.jpg)
Bivalve shell (possible Pitar/ Hysterochoncha dione) from a Mexican beach
Size: 6000px × 3866px
Location: Pacific coast, Mexico
Photo credit: © Nigel Sawyer / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1, art, bivalve, clam, close, close-, coast, coastal, conchology, der, dione, elegant, gattung, heterodonta, history, hysteroconcha, invertebrate, macro, marine, mexican, mexico, mollusc, mollusk, natural, nature, pacific, pitar, ridges, sea, sea-shell, shell, single, spine, spines, spiny, valve, venerida, veneridae, venus, wildlife