An Amethyst Gem Clam in Anne Arundel Co., Maryland (8/10/2017). Measured 3 mm. Photo by Robert Aguilar, SERC. (MBP list)
Amethyst Gem Clam in Anne Arundel Co., Maryland (Date obscured). (c) sercfisheries, some rights reserved (CC BY-NC). Photo by Robert Aguilar, SERC. (MBP list)