| australia | northern territory | monodonta labio | species | 5 | 0 |
| cambodia | | monodonta labio | species | 2 | 0 |
| china | | monodonta labio | species | 1 | 0 |
| hong kong | | monodonta labio | species | 2 | 0 |
| iran | fars province | monodonta sp. me | species | 1 | 0 |
| japan | aichi prefecture | monodonta confusa | species | 14 | 0 |
| japan | aichi prefecture | monodonta labio | species | 19 | 0 |
| japan | akita prefecture | monodonta confusa | species | 27 | 0 |
| japan | akita prefecture | monodonta perplexa | species | 19 | 0 |
| japan | akita prefecture | monodonta perplexa perplexa | subspecies | 4 | 0 |
| japan | aomori prefecture | monodonta confusa | species | 43 | 0 |
| japan | ehime prefecture | monodonta confusa | species | 4 | 0 |
| japan | ehime prefecture | monodonta labio | species | 4 | 0 |
| japan | fukuoka prefecture | monodonta confusa | species | 14 | 0 |
| japan | fukuoka prefecture | monodonta labio | species | 27 | 0 |
| japan | hiroshima prefecture | monodonta confusa | species | 3 | 0 |
| japan | hiroshima prefecture | monodonta labio | species | 7 | 0 |
| japan | hokkaido prefecture | monodonta confusa | species | 19 | 0 |
| japan | hokkaido prefecture | monodonta perplexa perplexa | subspecies | 3 | 0 |
| japan | iwate prefecture | monodonta confusa | species | 20 | 0 |
| japan | kagawa prefecture | monodonta confusa | species | 4 | 0 |
| japan | kagawa prefecture | monodonta labio | species | 4 | 0 |
| japan | kagoshima prefecture | monodonta canalifera | species | 12 | 0 |
| japan | kagoshima prefecture | monodonta confusa | species | 60 | 0 |
| japan | kagoshima prefecture | monodonta labio | species | 63 | 0 |
| japan | kagoshima prefecture | monodonta neritoides | species | 6 | 0 |
| japan | kagoshima prefecture | monodonta perplexa | species | 74 | 0 |
| japan | kagoshima prefecture | monodonta perplexa perplexa | subspecies | 23 | 0 |
| japan | kanagawa prefecture | monodonta confusa | species | 15 | 0 |
| japan | kochi prefecture | monodonta confusa | species | 5 | 0 |
| japan | kochi prefecture | monodonta labio | species | 12 | 0 |
| japan | kumamoto prefecture | monodonta confusa | species | 2 | 0 |
| japan | kumamoto prefecture | monodonta labio | species | 6 | 0 |
| japan | kyoto prefecture | monodonta confusa | species | 19 | 0 |
| japan | mie prefecture | monodonta confusa | species | 15 | 0 |
| japan | mie prefecture | monodonta labio | species | 11 | 0 |
| japan | miyagi ken prefecture | monodonta confusa | species | 23 | 0 |
| japan | miyagi ken prefecture | monodonta perplexa | species | 9 | 0 |
| japan | nagasaki prefecture | monodonta confusa | species | 26 | 0 |
| japan | nagasaki prefecture | monodonta labio | species | 51 | 0 |
| japan | nagasaki prefecture | monodonta perplexa | species | 11 | 0 |
| japan | nagasaki prefecture | monodonta perplexa perplexa | subspecies | 11 | 0 |
| japan | niigata prefecture | monodonta confusa | species | 5 | 0 |
| japan | niigata prefecture | monodonta neritoides | species | 4 | 0 |
| japan | niigata prefecture | monodonta perplexa perplexa | subspecies | 7 | 0 |
| japan | okayama prefecture | monodonta confusa | species | 2 | 0 |
| japan | okayama prefecture | monodonta labio | species | 15 | 0 |
| japan | okinawa prefecture | monodonta canalifera | species | 5 | 0 |
| japan | okinawa prefecture | monodonta confusa | species | 27 | 0 |
| japan | okinawa prefecture | monodonta labio | species | 79 | 0 |
| japan | okinawa prefecture | monodonta perplexa | species | 8 | 0 |
| japan | okinawa prefecture | monodonta perplexa perplexa | subspecies | 8 | 0 |
| japan | osaka prefecture | monodonta confusa | species | 19 | 0 |
| japan | osaka prefecture | monodonta labio | species | 12 | 0 |
| japan | osaka prefecture | monodonta neritoides | species | 2 | 0 |
| japan | osaka prefecture | monodonta perplexa perplexa | subspecies | 3 | 0 |
| japan | shizuoka prefecture | monodonta confusa | species | 3 | 0 |
| japan | shizuoka prefecture | monodonta labio | species | 22 | 0 |
| japan | shizuoka prefecture | monodonta perplexa | species | 27 | 0 |
| japan | shizuoka prefecture | monodonta perplexa perplexa | subspecies | 9 | 0 |
| japan | tokushima prefecture | monodonta labio | species | 13 | 0 |
| japan | tokyo prefecture | monodonta australis | species | 12 | 0 |
| japan | tokyo prefecture | monodonta confusa | species | 3 | 0 |
| japan | tokyo prefecture | monodonta perplexa | species | 18 | 0 |
| japan | tokyo prefecture | monodonta perplexa boninensis | subspecies | 5 | 0 |
| japan | tokyo prefecture | monodonta perplexa perplexa | subspecies | 30 | 0 |
| japan | tottori prefecture | monodonta confusa | species | 1 | 0 |
| japan | tottori prefecture | monodonta perplexa perplexa | subspecies | 1 | 0 |
| japan | toyama prefecture | monodonta confusa | species | 18 | 0 |
| japan | toyama prefecture | monodonta perplexa | species | 2 | 0 |
| japan | wakayama prefecture | monodonta confusa | species | 21 | 0 |
| japan | wakayama prefecture | monodonta labio | species | 24 | 0 |
| japan | wakayama prefecture | monodonta perplexa | species | 13 | 0 |
| japan | wakayama prefecture | monodonta perplexa perplexa | subspecies | 3 | 0 |
| japan | yamagata prefecture | monodonta confusa | species | 1 | 0 |
| japan | yamaguchi prefecture | monodonta confusa | species | 2 | 0 |
| japan | yamaguchi prefecture | monodonta labio | species | 26 | 0 |
| malaysia | terengganu | monodonta labio | species | 2 | 0 |
| singapore | | monodonta labio | species | 1 | 0 |
| taiwan | taipei municipality | monodonta confusa | species | 15 | 0 |
| taiwan | taipei municipality | monodonta perplexa | species | 20 | 0 |
| vietnam | binh thuan province | monodonta confusa | species | 7 | 0 |
| vietnam | khanh hoa province | monodonta confusa | species | 3 | 0 |
| vietnam | khanh hoa province | monodonta labio | species | 2 | 0 |