- Source: Aegialia lacustris
- Aegialia lacustris
- Aegialia
- List of the Cenozoic life of Washington
- List of the prehistoric life of Wisconsin
- List of vulnerable invertebrates
- List of vulnerable arthropods
- Paleobiota of the Green River Formation
- List of the prehistoric life of Wyoming
- IUCN Red List vulnerable species (Animalia)
- List of the prehistoric life of Colorado
Aegialia lacustris is a species of aphodiine dung beetle in the family Scarabaeidae. It is found in North America.