Cyathura polita in Anne Arundel Co., Maryland (Date obscured). (c) sercfisheries, some rights reserved (CC BY-NC). Photo by Robert Aguilar, SERC. (MBP list)
A Cyathura polita in Charles Co., Maryland (9/21/2016). Measured 12 mm. Photo by Robert Aguilar, SERC. (MBP list)