| monodonta confusa | | Japan: Niigata, Awashima Island | | 1241187064 |
| monodonta confusa | | Japan: Niigata, Murakami | | 1241187065 |
| monodonta confusa | | Japan: Niigata, Awashima Island | | 1241187414 |
| monodonta confusa | | Japan: Niigata, Murakami | | 1241187416 |
| monodonta confusa | | Japan: Niigata, Awashima Island | | 1241186460 |