Phylogeny and diversity of Squamates number of species 346 turtles (Note 9) 133.7 264.5 3 239.0 33.0 1 23 30 46 141 36 217 130 1078 1 14 19 18 19 16 299.8 2 Gekkota 277.6 4 72.4 76.1 137.4 133.5 Squamata 119.5 110.3 Xantusiidae 205.1 5 Scincoidea 98.3 53.0 157.1 Gerrhosauridae Cordylidae 87.1 170.9 Scincidae 202.1 Lacertoidea Teiidae 6 43.4 82.3 72.0 75.3 10 140 22 85.1 89.4 76.3 166 79.4 74.7 64.9 179.6 146.6 91.0 75.0 87.0 153.8 80.5 Lacertidae 99.6 Anguimorpha 12 85.1 10 94.4 68.1 61.0 114.1 43.3 Anguidae 9 188.3 Acrodonta 64.4 62.0 126.1 119.8 Agamidae Iguania 104.5 Chamaeleonidae 182.0 52 26 94.0 Gymnophthalmidae 7 59.7 13 97.3 84.2 196.9 59.7 1602 skinks 1 106.2 116.2 11 168.2 95.8 105.6 100.7 Pleurodonta 91.3 81.8 76.5 87.2 184.6 85.7 71.3 84.7 Leiosauridae 80.1 34.3 82.7 81.4 78.1 122.7 89.0 85.4 Serpentes 128.1 79.8 29.2 24.7 124.7 44.4 92.7 Notes 8 67.7 52.4 62.9 Tree from Y. Zheng & J.J. Wiens (2016) Molecular Phylogenetics and Evolution 94 : 537–547 with the following modifications: 33.4 48.5 60.4 87.5 45.4 44.1 41.3 Boidae 40.4 39.6 (1) Teiidae, Gymnophthalmidae after Goicoechea et al. (2016) Cladistics, doi: 10.1111/cla.12150 (e.g. Alopoglossinae in Zheng & Wiens [ZW]), but also (2) Ecpleopinae included in Cercosaurinae (3) Bachiinae included in Cercosaurinae (4) Diploglossinae in ZW (5) Xenodermatidae in ZW (6) Pareatidae in ZW (7) Acontiinae included in skink count (8) 1853 species in Colubridae, including 730 Colubrinae. (9) Species numbers from http://www.reptile-database.org, April 2016 80.6 75.2 Viperidae 42.8 37.2 64.2 61.4 45.4 46.8 36.1 44.5 43.5 42.3 54.8 47.9 Lamprophiidae 53.0 46.7 44.2 47.1 42.1 44.9 Colubridae 48.7 43.4 47.1 47.7 200 180 160 140 100 90 80 70 60 50 40 30 20 10 0 120 million years ago 1 38 1 3 2 7 6 176 14 3 2 10 51 6 20 56 1 1 79 32 171 18 9 3 109 127 210 29 41 19 9 12 132 8 15 18 296 13 7 414 126 18 1 266 18 1 34 14 3 55 2 1 40 2 2 1 4 3 5 12 31 3 18 20 99 2 236 53 16 52 23 46 2 72 83 361 11 4 730 88 10 230 764 Gallus gallus Dromaius novaehollandiae Crocodylus porosus Alligator mississippiensis Sphenodon punctatus Dibamidae Carphodactylidae Pygopodidae Diplodactylidae Eublepharidae Sphaerodactylidae Phyllodactylidae Gekkonidae Cricosaurinae Xantusiinae Lepidophyminae Gerrhosaurinae Zonosaurinae Platysaurinae Platysaurus pungweensis Cordylinae Acontiinae (7) Scincinae1 Scincinae2 Ateuchosaurus pellopleurus Lygosominae1 Lygosominae2 Tupinambinae Teiinae Alopoglossidae (1) Ecpleopinae (2) Cercosaurinae Bachiinae (3) Rhachisaurinae Gymnophthalminae Rhineuridae Bipedidae Cadeidae Blanidae Trogonophiidae Amphisbaenidae Gallotiinae Lacertinae Helodermatidae Xenosauridae Diploglossidae (4) Anniellidae Anguinae Gerrhonotinae Shinisauridae Lanthanotidae Varanidae Brookesiinae Chamaeleoninae Uromastycinae Leiolepidinae Hydrosaurinae Amphibolurinae Agaminae Draconinae Leiocephalidae Iguanidae Hoplocercidae Corytophanidae Crotaphytidae Tropiduridae Opluridae Enyaliinae Leiosaurinae Liolaemidae Phrynosomatidae Polychrotidae Dactyloidae Leptotyphlopidae Gerrhopilidae Xenotyphlopidae Typhlopidae Anomalepididae Aniliidae Tropidophiidae Cylindrophis ruffus Cylindrophis maculatus Anomochilidae Uropeltidae Xenopeltidae Loxocemidae Pythonidae Xenophidiidae Bolyeriidae Calabariidae Sanziniinae Ungaliophiinae Candoiinae Erycinae Boinae Acrochordidae Xenodermidae (5) Pareidae (6) Viperinae Azemiopinae Crotalinae Homalopsidae Prosymninae Psammophiinae Atractaspidinae Aparallactinae Pseudaspidinae Lamprophiinae Pseudoxyrhophiinae Micrelaps bicoloratus Oxyrhabdium leporinum Elapidae Sibynophiinae Grayiinae Colubrinae1 (8) Colubrinae2 Calamariinae Pseudoxenodontinae Natricinae Dipsadinae
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