- Aquificaceae, Desulfurobacteriaceae, Hydrogenothermaceae
<nowiki>Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; 产水菌目; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; Aquificales; صانعيات الماء; Aquificales; 产水菌目; порядок бактерий; Ordnung der Klasse Aquificae; order of bacteria; رتبة من بدائيات النوى; разред прокариоти; orde uit de stam Aquificae</nowiki>
Subcategories
This category has only the following subcategory.