MacrodasyidaeMacrodasyidae is a family of worms belonging to the order Macrodasyida.Genera: Kryptodasys Todaro, Dal Zotto, Kånneby & Hochberg, 2019 Macrodasys Remane, 1924 Thaidasys Todaro, Dal Zotto & Leasi, 2015 Urodasys Remane, 1926