The Alicyclobacillaceae are a family of Gram-positive bacteria. They are extremophiles with certain strains living at around 70°C and a pH of 1.5–5.5. Endospores are formed. The family contains three genera: Alicyclobacillus, Kyrpidia, and Tumebacillus.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0