Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade dorsates Cavalier-Smith, 2021
Clade podiates Cavalier-Smith, 2012
[crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
[crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
[crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
Kingdom Animalia Linnaeus, 1758 - animals
Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
Subkingdom Bilateria Hatschek, 1888 - bilaterians
Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
Infrakingdom Deuterostomia Grobben, 1908
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Myopterygii - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Teleostomi Bonaparte, 1836
Euteleostomi - bony vertebrates
Class Actinopterygii Woodward, 1891 - ray-finned fishes
[crown] Actinopteri Cope, 1871
Subclass Neopterygii Regan, 1923
Infraclass Teleostei Müller, 1845
Supercohort Teleocephala de Pinna, 1996
Clupeocephala
Cohort Euteleosteomorpha (Greenwood et al., 1966)
Subcohort Neoteleostei Nelson, 1969
Infracohort Eurypterygia (Rosen, 1973)
Section Ctenosquamata Rosen, 1973
Subsection Acanthomorphata (Rosen, 1973)
Euacanthomorpha (Johnson & Patterson, 1993)
Holacanthopterygii Johnson & Patterson, 1993
Acanthopterygii Rosen & Patterson, 1969
Euacanthopterygii
Division Percomorphacea Wiley & Johnson, 2010
Series Smegmamorpharia Johnson & Patterson, 1993
Superorder Atherinomorphae (Greenwood et al., 1966)
Cyprinodontoidei Dyer & Chernoff, 1996
Order Cyprinodontiformes Berg, 1940 - killifishes
Suborder Cyprinodontoideiᵀ
Superfamily Poecilioidea
Family Poeciliidaeᵀ Garman, 1895 - live-bearers
Subfamily Poeciliinaeᵀ Garman, 1895 - livebearers
Genus Xiphophorus Heckel, 1848 - swordtail
Xiphophorus alvarezi Rosen, 1960
Xiphophorus andersi Meyer & Schartl, 1980
Xiphophorus birchmanni Lechner & Radda, 1987
Xiphophorus clemenciae Alvarez, 1959 - yellow swordtail
Xiphophorus continens Rauchenberger, Kallman & Morizot, 1990
Xiphophorus cortezi Rosen, 1960
Xiphophorus couchianus (Girard, 1859) - Monterrey platyfish
Xiphophorus evelynae Rosen, 1960 - Puebla platyfish
Xiphophorus gordoni Miller & Minckley, 1963 - northern platyfish
Xiphophorus hellerii Heckel, 1848 - green swordtail
Xiphophorus kosszanderi Meyer & Wischnath, 1981
Xiphophorus maculatus (Günther, 1866) - platy
Xiphophorus malinche Rauchenberger, Kallman & Mozirot, 1990
Xiphophorus mayae Meyer & Schartl, 2002
Xiphophorus meyeri Schartl & Schröder, 1988 - Platy de Muzquiz
Xiphophorus milleri Rosen, 1960
Xiphophorus mixei Kallman, Walter, Morizot & Kazianis, 2004
Xiphophorus montezumae Jordan & Snyder, 1899 - Mexican swordtail
Xiphophorus monticolus Kallman, Walter, Morizot & Kazianis, 2004
Xiphophorus multilineatus Rauchenberger, Kallman & Morizot, 1990
Xiphophorus nezahualcoyotl Rauchenberger, Kallman & Morizot, 1990
Xiphophorus nigrensis Rosen, 1960
Xiphophorus pygmaeus Hubbs & Gordon, 1943 - pygmy swordtail
Xiphophorus roseni Meyer & Wischnath, 1981
Xiphophorus signum Rosen & Kallman, 1969
Xiphophorus variatus (Meek, 1904) - sunset platy
Xiphophorus xiphidium (Gordon, 1932)