| planorbella trivolvis | | usa: maryland, anne arundel county, serc, mathias wetland | | 1391840398 |
| planorbella trivolvis | | usa: maryland, anne arundel county, serc, mathias wetland | | 1391840300 |
| planorbella trivolvis | | usa: maryland, anne arundel county, serc, mathias wetland | | 1391840184 |