- Genus of aerobic Gram-positive bacillus
- Straight to slightly curved, may show branching
- Previously included within the genus Actinomyces
- Type species is Schaalia odontolytica, often referred to as Actinomyces odontolytica
- Other species include Schaalia canis, Schaalia cardiffensis, Schaalia funkei, Schaalia georgiae, Schaalia hyovaginalis, Schaalia meyeri, Schaalia naturae, Schaalia radingae, Schaalia suimastitidis, Schaalia turicensis, Schaalia vaccimaxillae