The superficial dorsal sacrococcygeal ligament (ligamentum sacrococcygeum posterius superficiale) originates on the free margin of the sacral hiatus to attach on the dorsal surface of the coccyx.
The superficial dorsal sacrococcygeal ligament, also known as the ligamentum sacrococcygeum posterius superficiale, arises from the edge of the sacral opening and attaches to the back side of the coccyx.