Decorated tombs are a general term for the decorated tumulus by pictures, patterns and engravings on the interior wall or the stone coffin and it includes Yokoanabo cave tombs (tunnel graves) which has no mound.
装飾古墳（そうしょくこふん）とは、内部の壁や石棺に絵画、文様、彫刻などの装飾のある古墳の総称で、墳丘を持たない横穴墓も含まれる。