Children (11 direct children, 13 direct and indirect children):
Thermotoga maritima
(tree size 1)
Thermotoga hypogea
Thermotoga lettingae
Thermotoga naphthophila
Thermotoga neapolitana
Thermotoga petrophila
(tree size 1)
Thermotoga subterranea
Thermotoga elfii
Thermotoga caldifontis
Thermotoga profunda
Thermotoga thermarum