The suprahyoid muscles are four muscles located between the mandible to the hyoid bone. Together with adjacent tissue they form the floor of the mouth. Namely, the four suprahyoid muscles are the; Mylohyoid muscle Geniohyoid muscle Stylohyoid muscle Digastric muscle You can remember them easily with the mnemonic “My Gut Seems Damaged”. All suprahyoid muscles contribute to the floor of the mouth but the actual muscle plate which bridges between the two rami of mandible is formed by the mylohyoid