[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Alphaproteobacteria Garrity et al. 2006
         Order Rhodobacterales Garrity et al. 2006
           Family Rhodobacteraceae Garrity et al. 2006
             Genus Paracoccus Davis 1969 (Approved Lists 1980)
               01 Paracoccus denitrificans (Beijerinck and Minkman 1910) Davis 1969 (Approved Lists 1980)
               02 Paracoccus alcaliphilus Urakami et al. 1989
               03 Paracoccus alkenifer Lipski et al. 1998
               04 Paracoccus aminophilus Urakami et al. 1990
               05 Paracoccus aminovorans Urakami et al. 1990
               06 Paracoccus carotinifaciens Tsubokura et al. 1999
               07 Paracoccus haeundaensis Lee et al. 2004
               08 Paracoccus kocurii Ohara et al. 1990
               09 Paracoccus kondratievae Doronina and Trotsenko 2001
               10 Paracoccus koreensis La et al. 2005
               11 Paracoccus marcusii Harker et al. 1998
               12 Paracoccus methylutens Doronina et al. 1998
               13 Paracoccus pantotrophus (Robertson and Kuenen 1984) Rainey et al. 1999
               14 Paracoccus seriniphilus Pukall et al. 2003
               15 Paracoccus solventivorans Siller et al. 1996
               16 Paracoccus thiocyanatus Katayama et al. 1996
               17 Paracoccus versutus (Harrison 1983) Katayama et al. 1996
               18 Paracoccus yeei corrig. Daneshvar et al. 2003
               19 Paracoccus zeaxanthinifaciens Berry et al. 2003