Order Bacillales

Family "Alicyclobacillaceae"
Alicyclobacillus - Sulfobacillus

Family Bacillaceae
Alkalibacillus - Amphibacillus - Anoxybacillus - Aquisalibacillus - Bacillus - Caldalkalibacillus - Cerasibacillus - Exiguobacterium - Filobacillus - Geobacillus - Gracilibacillus - Halalkalibacillus - Halobacillus - Halolactibacillus - Jeotgalibacillus - Lentibacillus - Lysinibacillus - Marinibacillus - Oceanobacillus - Ornithinibacillus - Paraliobacillus - Paucisalibacillus - Pelagibacillus - Piscibacillus - Pontibacillus - Saccharococcus - Salibacillus - Salimicrobium - Salinibacillus - Salirhabdus - Salsuginibacillus - Sediminibacillus - Tenuibacillus - Terribacillus - Thalassobacillus - Tumebacillus - Ureibacillus - Virgibacillus - Vulcanibacillus

Family Caryophanaceae
Caryophanon

Family "Listeriaceae"
Brochothrix - Listeria

Family "Paenibacillaceae"
Ammoniphilus - Aneurinibacillus - Brevibacillus - Cohnella - Oxalophagus - Paenibacillus - Saccharibacillus - Thermicanus - Thermobacillus

Family Pasteuriaceae
Pasteuria

Family Planococcaceae
Filibacter - Kurthia - Planococcus - Planomicrobium - Sporosarcina

Family "Sporolactobacillaceae"
Marinococcus - Sinobaca - Sporolactobacillus - Tuberibacillus

Family "Staphylococcaceae"
Gemella - Jeotgalicoccus - Macrococcus - Salinicoccus - Staphylococcus

Family Thermoactinomycetaceae
Laceyella - Mechercharimyces - Planifilum - Seinonella - Shimazuella - Thermoactinomyces - Thermoflavimicrobium

Unclassified Bacillales
Pullulanibacillus - Viridibacillus

Order "Lactobacillales"

Family "Aerococcaceae"
Abiotrophia - Aerococcus - Dolosicoccus - Eremococcus - Facklamia - Globicatella - Ignavigranum

Family "Carnobacteriaceae"
Agitococcus - Alkalibacterium - Allofustis - Alloiococcus - Atopococcus - Atopostipes - Carnobacterium - Desemzia - Dolosigranulum - Granulicatella - Isobaculum - Lactosphaera - Marinilactibacillus - Trichococcus