A membranophone, it's sort of in the name. A membranophone is any musical instrument that produces sound with a vibrating stretched membrane. An idiophone is somewhat similar and produces sound by vibrating when hit but does not use strings or membranes (the instrument as a whole vibrates).
A sarcophagus<span> (sarcophagi) is a box-like funeral receptacle for a </span>corpse<span>, most commonly carved in stone, and usually displayed above ground, though it may also be buried.
I hope this helps :)
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