Collection place
- Matsudo, Chiba Prefecture, South Kanto5 objects
- Nakadai, Itabashi, Tokyo Metropolis5 objects
- Yokosuka, Kanagawa Prefecture, South Kanto5 objects
- Futatsugi shellmound, Matsudo, Chiba Prefecture4 objects
- Hikawa Shrine, Ōmiya-ku, Saitama, Saitama Prefecture4 objects
- Hokkaidō Prefecture, Hokkaido, Japan4 objects
- Hokkaidō, Japan4 objects
- Iburi Subprefecture, Hokkaido Prefecture, Hokkaido4 objects
- Musashino, Tokyo Metropolis, South Kanto4 objects
- Noboribetsu, Iburi Subprefecture, Hokkaido Prefecture4 objects
- Saitama Prefecture, South Kanto, Kanto region4 objects
- Saitama, Saitama Prefecture, South Kanto4 objects
- Sakai, Musashino, Tokyo Metropolis4 objects
- Natsushima shellmound, Yokosuka, Kanagawa Prefecture3 objects
- Shimono shellmound, Katori, Chiba Prefecture3 objects
- Ubayama shellmound, Ichikawa, Chiba Prefecture3 objects
- Muko-Aburta shellmound, Katori District, Chiba Prefecture2 objects
- Shirai shellmound, Omigawa, Katori District, Chiba Prefecture2 objects
- Tado site, Yokosuka, Kanagawa Prefecture2 objects
- Yako shellmound, Awa District, Chiba Prefecture2 objects