复涟痕 complex ripple mark

破浪涟痕 surf ripple

涟痕指数 ripple mark index ; ripple index

泥岭涟痕 mud-ridge ripple mark

对称涟痕 para-ripple

古流涟痕 paleocurrent ripple

矶波涟痕 surf ripple mark

菱形交错涟痕 rhombic interference ripple

移置不对称涟痕 translational asymmetric ripple