Okinawa Prefecture (kept at the Okinawa Prefectural Centre for Buried Cultural Properties (沖縄県立埋蔵文化財センター)
234 items, comprising 30 pieces of earthenware, 101 stone tools, 58 artefacts made of shell, 39 of bone, and 6 of stone; Kogachibaru Shell Mound is in Uruma City[7]
Okinawa Prefecture (kept at the Okinawa Prefectural Centre for Buried Cultural Properties (沖縄県立埋蔵文化財センター)
209 items, comprising 1 piece of earthenware (and a further 85 fragments), 45 stone tools, 137 artefacts of shell, and 26 of bone; Shimotabaru Shell Mound on Hateruma, Taketomi, is a Prefectural Historic Site[7]
^国宝・重要文化財 [Number of National Treasures and Important Cultural Properties by Prefecture] (in Japanese). Agency for Cultural Affairs. 1 January 2015. Archived from the original on 30 June 2011. Retrieved 8 January 2015.
^ abc国・県・市町村指定文化財 [National, Prefectural, and Municipal Cultural Properties] (PDF) (in Japanese). Okinawa Prefecture. 1 May 2014. Retrieved 8 January 2015.
^ ab古我地原貝塚・下田原貝塚 出土品展 [Excavated Artefacts from Kogachibaru and Shimotabaru Shell Mounds] (PDF) (in Japanese). Okinawa Prefecture. 21 February 2012. Retrieved 8 January 2015.