- Archer-Class InfantryErf-b1-p077a
- Knight-Class InfantryErf-b1-p077a
- Piker-Class InfantryErf-b1-p077a
- Stabber-Class InfantryErf-b1-p077a
- Digger-Class Infantry
For species capable of flight, infantry may include flying Units in Erfworld. A broader definition for the term may be required to account for the broader array of sentient species represented on Erfworld, but so far has not been necessary.