The Clostridiaceae are a family of the bacterial class Clostridia, and contain the genus Clostridium.
The family Clostridiaceae defined by the taxonomic outline of Bergey's Manual of Systematic Bacteriology contains as its core the genus Clostridium, as well as Acetivibrio, Acidaminobacter, Alkaliphilus, Anaerobacter, Caloramator, Caloranaerobacter, Coprobacillus, Dorea, Natronincola, Oxobacter, Sarcina, Sporobacter, Thermobrachium, Thermohalobacter, and Tindallia. From Wikipedia
