The term ancylus fluviatilis is identified in base64 scheme by the sequence YW5jeWx1cyBmbHV2aWF0aWxpcw==, while the MD5 signature is equal to 15e15d25dbc05d1778231ce91f5f7c82. The ASCII encoding of ancylus fluviatilis in hexadecimal notation is 616e63796c757320666c7576696174696c6973.