| nematodirus helvetianus | gazella dorcas | Tunisia: Haddaj National Park | Gazella dorcas 1 | 1212311973 |
| nematodirus helvetianus | Oryx dammah 1 | Tunisia: Haddaj National Park | Oryx dammah 1 | 1212311982 |
| nematodirus helvetianus | Oryx dammah 2 | Tunisia: Haddaj National Park | Oryx dammah 2 | 1212311983 |
| nematodirus helvetianus | addax nasomaculatus | Tunisia: Haddaj National Park | Addax nasomaculatus 1 | 1212311997 |
| nematodirus helvetianus | ovis aries | Tunisia: Haddaj National Park | sheep 1 | 1212312012 |
| nematodirus helvetianus | ovis aries | Tunisia: Haddaj National Park | sheep 2 | 1212312013 |
| nematodirus helvetianus | ovis aries | Tunisia: Haddaj National Park | sheep 3 | 1212312014 |
| nematodirus helvetianus | capra hircus | Tunisia: Haddaj National Park | goat 1 | 1212312027 |