[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class "Actinobacteria" Stackebrandt et al. 1997
         Subclass Actinobacteridae Stackebrandt et al. 1997 see Class Actinobacteria Stackebrandt et al. 1997
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Suborder Pseudonocardineae Stackebrandt et al. 1997
               Family Pseudonocardiaceae Embley et al. 1989
                 Genus Pseudonocardia Henssen 1957 (Approved Lists 1980)
                   01 Pseudonocardia thermophila Henssen 1957 (Approved Lists 1980)
                   02 Pseudonocardia alaniniphila (Xu et al. 1999) Huang et al. 2002
                   03 Pseudonocardia alni (Evtushenko et al. 1989) Warwick et al. 1994
                   04 Pseudonocardia ammonioxydans Liu et al. 2006
                   05 Pseudonocardia antarctica Prabahar et al. 2004
                   06 Pseudonocardia asaccharolytica Reichert et al. 1998
                   07 Pseudonocardia aurantiaca (Xu et al. 1999) Huang et al. 2002
                   08 Pseudonocardia autotrophica (Takamiya and Tubaki 1956) Warwick et al. 1994
                   09 Pseudonocardia benzenivorans Kämpfer and Kroppenstedt 2004
                   10 Pseudonocardia chloroethenivorans Lee et al. 2004
                   11 Pseudonocardia compacta Henssen et al. 1983
                   12 Pseudonocardia dioxanivorans Mahendra and Alvarez-Cohen 2005
                   13 Pseudonocardia halophobica (Akimov et al. 1989) McVeigh et al. 1994
                   14 Pseudonocardia hydrocarbonoxydans (Nolof and Hirsch 1962) Warwick et al. 1994
                   15 Pseudonocardia kongjuensis Lee et al. 2001
                   16 Pseudonocardia nitrificans (ex Schatz et al. 1954) Warwick et al. 1994
                   17 Pseudonocardia oroxyli Gu et al. 2006
                   18 Pseudonocardia petroleophila (Hirsch and Engel 1956) Warwick et al. 1994
                   19 Pseudonocardia saturnea (Hirsch 1960) Warwick et al. 1994
                   20 Pseudonocardia spinosa Schäfer 1971 (Approved Lists 1980)
                   21 Pseudonocardia spinosispora Lee et al. 2002
                   22 Pseudonocardia sulfidoxydans Reichert et al. 1998
                   23 Pseudonocardia tetrahydrofuranoxydans Kämpfer et al. 2006
                   24 Pseudonocardia xinjiangensis (Xu et al. 1999) Huang et al. 2002
                   25 Pseudonocardia yunnanensis (Jiang et al. 1991) Huang et al. 2002
                   26 Pseudonocardia zijingensis Huang et al. 2002