Dakoticancroidea is a superfamily of fossil crabs divided into the following two families:† Dakoticancridae Rathbun, 1917 † Avitelmessus Rathbun, 1923 † Dakoticancer Rathbun, 1917 † Tetracarcinus Weller, 1905 † Ibericancridae Artal, Guinot, Van Bakel & Castillo, 2008 † Ibericancer Artal, Guinot, Van Bakel & Castillo, 2008 † Sodakus Bishop, 1978 † Tropidicarcinus Schweitzer, Feldmann, Phillips & Armstrong, 2019