Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
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
Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
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 Craniata auct.
Infraphylum Vertebrata Lamarck, 1801 - vertebrates
Clade Pan-Gnathostomata Downs 2020
Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
[crown] Clade Eugnathostomata
Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
Clade Pan-Sarcopterygii
Clade Sarcopterygii Romer, 1955
Clade Dipnotetrapodomorpha Nelson, 2006
Clade Rhipidistia Cope, 1887
Clade Tetrapodomorpha Ahlberg, 1991
Clade Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
Clade Eotetrapodiformes Coates & Friedman, 2010
[crown] Clade Elpistostegalia Camp & Allison, 1961
Clade Stegocephali Cope 1868 [Laurin 2020]
Clade Labyrinthodontia Owen 1859 [Laurin 2020]
Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
Clade Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
Clade Batrachosauria
Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
Class Reptilia Linnaeus, 1758 - reptiles
Clade Eureptilia Olson, 1947
Clade Romeriida Gauthier, Kluge & Rowe, 1988
Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
Clade Neodiapsida Benton 1985
Clade Pan-Lepidosauria Gauthier & de Queiroz 2020, sedis mutabilis
[crown] Subclass Lepidosauria Duméril & Bibron, 1839
Clade Pan-Squamata Gauthier & de Queiroz 2020
[crown] Order Squamata Oppel, 1811
Bifurcata Vidal & Hedges, 2005
Unidentata Vidal & Hedges, 2005
Episquamata Vidal & Hedges, 2005
Toxicofera Vidal & Hedges, 2005
Ophidia Brongniart, 1800
Suborder Serpentes Linnaeus, 1758 - snakes
Infraorder Alethinophidia Nopcsa, 1923
Afrophidia Vidal, Delmas & Hedges, 2007
Caenophidia Hoffstetter, 1939
Superfamily Colubroidea Oppel, 1811
Family Colubridaeᵀ Oppel, 1811 - colubrids
Subfamily Dipsadinae Guenther, 1858 - American snail-eating snakes
Genus Atractus Wagler, 1828
001 Atractus acheronius Passos, Rivas & Barrio-Amorós, 2009
002 Atractus albuquerquei Da Cunha & Do Nascimento, 1983
003 Atractus alphonsehogei Da Cunha & Do Nascimento, 1983
004 Atractus altagratiae Passos & Fernandes, 2008
005 Atractus alytogrammus Köhler & Kieckbusch, 2014
006 Atractus andinus Prado, 1944
007 Atractus apophis Passos & Lynch, 2010
008 Atractus arangoi Prado, 1939
009 Atractus atratus Passos & Lynch, 2010
010 Atractus attenuates Myers & Schargel, 2006
011 Atractus avernus Passos, Chiesse, Torres-Carvajal & Savage, 2009
012 Atractus ayeush Esqueda, 2011
013 Atractus badius (Boie, 1827)
014 Atractus balzani Boulenger, 1898
015 Atractus biseriatus Prado, 1941
016 Atractus bocki Werner, 1909
017 Atractus bocourti Boulenger, 1894
018 Atractus boettgeri Boulenger, 1896
019 Atractus boimirim Passos, Prudente & Lynch, 2016
020 Atractus boulengerii Peracca, 1896
021 Atractus caete Passos, Fernandes, Bérnils & Moura-Leite, 2010
022 Atractus careolepis Köhler & Kieckbusch, 2014
023 Atractus carrioni Parker, 1930
024 Atractus caxiuana Prudente & Santos-Costa, 2006
025 Atractus charitoae Silva Haad, 2004
026 Atractus chthonius Passos & Lynch, 2010
027 Atractus clarki Dunn & Bailey, 1939
028 Atractus collaris Peracca, 1897
029 Atractus crassicaudatus (Duméril, Bibron & Duméril, 1854)
030 Atractus darienensis Myers, 2003
031 Atractus depressiocellus Myers, 2003
032 Atractus duboisi (Boulenger, 1880)
033 Atractus duidensis Roze, 1961
034 Atractus dunni Savage, 1955
035 Atractus echidna Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
036 Atractus ecuadorensis Savage, 1955
037 Atractus edioi Da Silva, Rodrigues Silva, Ribeiro, Souza & Do Amaral Souza, 2005
038 Atractus elaps (Günther, 1858)
039 Atractus emigdioi Gonzales-Sponga, 1971
040 Atractus emmeli (Boettger, 1888)
041 Atractus eriki Esqueda, La Marca & Bazó, 2007
042 Atractus erythromelas Boulenger, 1903
043 Atractus favae (Filippi, 1840)
044 Atractus flammigerus (Boie, 1827)
045 Atractus franciscopaivai Silva Haad, 2004
046 Atractus francoi Passos, Fernandes, Bérnils & Moura-Leite, 2010
047 Atractus fuliginosus (Hallowell, 1845)
048 Atractus gaigeae Savage, 1955
049 Atractus gigas Myers & Schargel, 2006
050 Atractus guentheri (Wucherer, 1861)
051 Atractus heliobelluomini Silva Haad, 2004
052 Atractus heyeri Esqueda & McDiarmid, 2015
053 Atractus hoogmoedi Prudente & Passos, 2010
054 Atractus hostilitractus Myers, 2003
055 Atractus imperfectus Myers, 2003
056 Atractus indistinctus Prado, 1940
057 Atractus insipidus Roze, 1961
058 Atractus iridescens Peracca, 1896
059 Atractus lancinii Roze, 1961
060 Atractus lasallei Amaral, 1931
061 Atractus latifrons (Günther, 1868)
062 Atractus lehmanni Boettger, 1898
063 Atractus limitaneus (Amaral, 1935)
064 Atractus loveridgei Amaral, 1930
065 Atractus macondo Passos, Lynch & Fernandes, 2009
066 Atractus maculatus (Günther, 1858)
067 Atractus major Boulenger, 1894
068 Atractus manizalesensis Prado, 1940
069 Atractus mariselae Lancini, 1969
070 Atractus matthewi Markezich & Barrio-Amorós, 2004
071 Atractus medusa Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
072 Atractus melanogaster Werner, 1916
073 Atractus melas Boulenger, 1908
074 Atractus meridensis Esqueda & La Marca, 2005
075 Atractus micheleae Esqueda & La Marca, 2005
076 Atractus microrhynchus (Cope, 1868)
077 Atractus mijaresi Esqueda & La Marca, 2005
078 Atractus modestus Boulenger, 1894
079 Atractus multicinctus (Jan, 1865)
080 Atractus multidentatus Passos, Rivas & Barrio-Amorós, 2009
081 Atractus nasutus Passos, Fernandes & Lynch, 2009
082 Atractus natans Hoogmoed & Prudente, 2003
083 Atractus nicefori Amaral, 1930
084 Atractus nigricaudus Schmidt & Walker, 1943
085 Atractus nigriventris Amaral, 1933
086 Atractus obesus Marx, 1960
087 Atractus obtusirostris Werner, 1916
088 Atractus occidentalis Savage, 1955
089 Atractus occipitoalbus (Jan, 1862)
090 Atractus ochrosetrus Esqueda & La Marca, 2005
091 Atractus oculotemporalis Amaral, 1932
092 Atractus orcesi Savage, 1955
093 Atractus paisa Passos, Fernandes & Lynch, 2009
094 Atractus pamplonensis Amaral, 1937
095 Atractus pantostictus Fernandes & Puorto, 1993
096 Atractus paraguayensis Werner, 1924
097 Atractus paravertebralis Henle & Ehrl, 1991
098 Atractus paucidens Despax, 1910
099 Atractus pauciscutatus Schmidt & Walker, 1943
100 Atractus peruvianus (Jan, 1862)
101 Atractus poeppigi (Jan, 1862)
102 Atractus potschi Fernandes, 1995
103 Atractus punctiventris Amaral, 1933
104 Atractus resplendens Werner, 1901
105 Atractus reticulatus (Boulenger, 1885)
106 Atractus riveroi Roze, 1961
107 Atractus ronnie Passos, Fernandes & Borges-Nojosa, 2007
108 Atractus roulei Despax, 1910
109 Atractus sanctaemartae Dunn, 1946
110 Atractus sanguineus Prado, 1944
111 Atractus savagei Salazar-Valenzuela, Torres-Carvajal & Passos, 2014
112 Atractus schach (Boie, 1827)
113 Atractus serranus Amaral, 1930
114 Atractus snethlageae Da Cunha & Do Nascimento, 1983
115 Atractus spinalis Passos, Texeira Jr., Recoder, De Sena, Dal Vechio, De Arruda Pinto, Mendonça, Cassimiro & Rodrigues, 2013
116 Atractus steyermarki Roze, 1958
117 Atractus surucucu Prudente & Passos, 2008
118 Atractus taeniatus Griffin, 1916
119 Atractus tamaensis Esqueda & La Marca, 2005
120 Atractus tamessari Kok, 2006
121 Atractus taphorni Schargel & García-Pérez, 2002
122 Atractus tartarus Passos, Prudente & Lynch, 2016
123 Atractus thalesdelemai Passos, Fernandes & Zanella, 2005
124 Atractus titanicus Passos, Fernandes & Lynch, 2009
125 Atractus torquatus (Duméril, Bibron & Duméril, 1854)
126 Atractus touzeti Schargel, Lamar, Passos, Valencia, Cisneros-Hereda & Campbell, 2013
127 Atractus trihedrurus Amaral, 1926
128 Atractus trilineatusᵀ Wagler, 1828 - three-lined ground snake
129 Atractus trivittatus Amaral, 1933
130 Atractus turikensis Barros, 2000
131 Atractus typhon Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
132 Atractus variegatus Prado, 1942
133 Atractus ventrimaculatus Boulenger, 1905
134 Atractus vertebralis Boulenger, 1904
135 Atractus vertebrolineatus Prado, 1941
136 Atractus vittatus Boulenger, 1894
137 Atractus wagleri Prado, 1945
138 Atractus werneri Peracca, 1912
139 Atractus zebrinus (Jan, 1862)
140 Atractus zidoki Gasc & Rodrigues, 1979