| alasmidonta varicosa | | usa: maryland, washington county, potomac river, 1 mile downstream of dam 5 | | 1563835418 |
| alasmidonta varicosa | | usa: maryland, washington county, potomac river, 1 mile downstream of dam 5 | | 1563835082 |
| alasmidonta varicosa | | usa: maryland, washington county, potomac river, 1 mile downstream of dam 5 | | 1563835076 |