Gomphidae is the grouping that includes the fearsomely named Gomphus (Clubtails), Onychogomphus (Hooktails/Pincertails), Ophiogomphus (Snaketails).
- Gomphus pulchesllus (Western Clubtail)
- Gomphus vulgatissimus (Common Clubtail)
- Onychogomphus forcipatus (Green-eyed Hooktail/Small Pincertail)
- Onychogomphus uncatus (Blue-eyed Hooktail/Large Pincertail)
