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
Clade Sarcopterygii Romer, 1955
[crown] Rhipidistia Cope, 1887
Clade Tetrapodomorpha Ahlberg, 1991
Clade Osteolepidimorpha
Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
[crown] Clade Neotetrapoda
Clade Reptiliomorpha Säve-Söderbergh, 1934
Batrachosauria
[crown] Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Class Reptilia Linnaeus, 1758 - reptiles
Eureptilia Olson, 1947
Romeriida Gauthier, Kluge & Rowe, 1988
Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
[crown] 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 Helicops Wagler, 1828
01 Helicops angulatus (Linnaeus, 1758)
02 Helicops apiaka Kawashita-Ribeiro, Ávila & Morais, 2013
03 Helicops carinicaudusᵀ (Wied-Neuwied, 1825)
04 Helicops danieli Amaral, 1938
05 Helicops gomesi Amaral, 1921
06 Helicops hagmanni Roux, 1910
07 Helicops infrataeniatus Jan, 1865
08 Helicops leopardinus (Schlegel, 1837)
09 Helicops modestus Günther, 1861
10 Helicops nentur Costa, Santana, Leal, Koroiva & Garcia, 2016
11 Helicops pastazae Shreve, 1934
12 Helicops petersi Rossman, 1976
13 Helicops polylepis Günther, 1861
14 Helicops scalaris Jan, 1865
15 Helicops tapajonicus Frota, 2005
16 Helicops trivittatus (Gray, 1849)
17 Helicops yacu Rossman & Dixon, 1975