Caldanaerobius Lee et al., 2008
domain: Bacteria Woese et al., 2024 >
phylum: Bacillota Gibbons & Murray, 2021 >
class: Clostridia Rainey, 2010 >
order: Thermoanaerobacterales Wiegel, 2010 >
family: Thermoanaerobacteraceae Wiegel, 2010 >
genus: Caldanaerobius Lee et al., 2008 >