| gyrinus opacus | | Canada: Manitoba, Churchill, Vicinity of Churchill, Grain Elevators, PFTS | | 606239526 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 22 km E Churchill, CNSC | | 606238420 |
| gyrinus opacus | | Canada: Manitoba, Churchill, Vicinity of Churchill, Grain Elevators, PFTS | | 606237928 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove | | 606237448 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 14 km E Churchill, Golf Balls, Pond W, shore | | 429127424 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Lrg roadside pond | | 429127422 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Pond #52 | | 429127420 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Pond N of #21 | | 429127418 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 10 km ESE Churchill, Launch Road near A-frame, A-frame roadside pond | | 429127416 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Pond #52 | | 429127414 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 10 km ESE Churchill, Launch Road near A-frame, Dome pond W | | 429127408 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Pond #38 | | 429127410 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, Pond N of #21 | | 429127412 |
| gyrinus opacus | | Canada: Manitoba, Churchill, 22 km E Churchill, CNSC | | 606239398 |