Some tumuli including Noguchino Ono-haka Tumulus, Nakaoyama Kofun Tumulus and Takamatsuzuka Kofun Tumulus were constructed after the promulgation of the Law of Funeral.
本古墳をはじめ、中尾山古墳、高松塚古墳などは薄葬令以降の古墳である。