[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 Phylum Nitrospira Garrity & Holt, 2001 see Phylum Nitrospirae Garrity and Holt 2001 Class "Nitrospira" 2001 Order "Nitrospirales" 2001 Family "Nitrospiraceae" 2001 Genus Leptospirillum (ex Markosyan 1972) Hippe 2000 Leptospirillum ferrooxidans (ex Markosyan 1972) Hippe 2000