Phrynosomatidae
166 species.
- Adler's Spiny LizardSceloporus adleri
- Anahuacan Graphic LizardSceloporus anahuacus
- AntesatorSceloporus utiformis
- Asperous Spiny LizardSceloporus asper
- Baja California Brush LizardUrosaurus lahtelai
- Baja California Rock LizardPetrosaurus thalassinus
- Baja Spiny LizardSceloporus zosteromus
- Banded Rock LizardPetrosaurus mearnsi
- Banded Rock LizardPetrosaurus slevini
- Baur’s Short-horned LizardPhrynosoma hernandesi
- Bell's spiny lizardSceloporus cowlesi
- Black-nosed LizardSceloporus melanorhinus
- Blue Ornate Spiny LizardSceloporus caeruleus
- Blue Spiny LizardSceloporus cyanogenys
- Bluebelly LizardSceloporus parvus
- Bocourt's Spiny LizardSceloporus acanthinus
- Bocourt’s Emerald LizardSceloporus smaragdinus
- Boulder Spiny LizardSceloporus pyrocephalus
- Brown’s Bunchgrass LizardSceloporus brownorum
- Buller's Spiny LizardSceloporus bulleri
- Canyon LizardSceloporus merriami
- Cape Arboreal Spiny LizardSceloporus licki
- Cedros Island Horned LizardPhrynosoma cerroense
- Central Plateau Torquate LizardSceloporus melanogaster
- Cerralvo Island SatorSceloporus grandaevus
- Chaney's Spiny LizardSceloporus chaneyi
- Chihuahuan Fringe-toed LizardUma paraphygas
- Clarion Island Tree LizardUrosaurus clarionensis
- Clark's Spiny LizardSceloporus clarkii
- Cleft LizardSceloporus mucronatus
- Coachella Valley Fringe-toed LizardUma inornata
- Coast Horned LizardPhrynosoma coronatum
- Coleman's Bunchgrass LizardSceloporus samcolemani
- Colorado Desert Fringe-toed LizardUma notata
- Common Sagebrush LizardSceloporus graciosus
- Couch's Spiny LizardSceloporus couchii
- Cozumel Spiny LizardSceloporus cozumelae
- Crevice Spiny LizardSceloporus poinsettii
- Crevice SwiftSceloporus torquatus
- Cursorial Spiny LizardSceloporus megalepidurus
- Dead Side-blotched LizardUta lowei
- Desert Horned LizardPhrynosoma platyrhinos
- Desert Short-horned LizardPhrynosoma ornatissimum
- Desert Spiny LizardSceloporus magister
- Dorsalkeel Spiny LizardSceloporus heterolepis
- Duges' Spiny LizardSceloporus dugesii
- Dwarf Spiny LizardSceloporus squamosus
- Eastern Cleft Spiny LizardSceloporus aureolus
- Eastern Spiny LizardSceloporus spinosus
- Elegant Earless LizardHolbrookia elegans
- Fence LizardSceloporus undulatus
- Flat-tail Horned LizardPhrynosoma mcallii
- Florida Scrub LizardSceloporus woodi
- Fringe-toed Sand LizardUma exsul
- Gadow's Spiny LizardSceloporus gadoviae
- Gadow's Tree LizardUrosaurus gadovi
- Giant Horned LizardPhrynosoma asio
- Goldman's Bunchgrass LizardSceloporus goldmani
- Graceful mountain tree lizardSceloporus druckercolini
- Granite Spiny LizardSceloporus orcutti
- Graphic Spiny LizardSceloporus grammicus
- Greater Earless LizardCophosaurus texanus
- Green Spiny LizardSceloporus malachiticus
- Guatemalan Emerald Spiny LizardSceloporus taeniocnemis
- Guerreran horned lizardPhrynosoma sherbrookei
- Hall's Spiny LizardSceloporus halli
- Honduran Spiny LizardSceloporus hondurensis
- Hunsaker's Spiny LizardSceloporus hunsakeri
- Isla San Pedro Nolasco LizardUta nolascensis
- Isla Santa Catalina Side-blotched LizardUta squamata
- Jalapa Spiny LizardSceloporus jalapae
- Keeled Earless LizardHolbrookia propinqua
- Keeled Spiny LizardSceloporus carinatus
- Lagoon Spiny LizardSceloporus gadsdeni
- Lemos-Espinal’s Spiny LizardSceloporus lemosespinali
- Lenca Emerald Spiny LizardSceloporus esperanzae
- Lesser Earless LizardHolbrookia maculata
- Lesser Torquate LizardSceloporus madrensis
- Light-bellied Bunch Grass LizardSceloporus scalaris
- Longtail Spiny LizardSceloporus siniferus
- Luna's Spiny LizardSceloporus lunae
- Lundell's Spiny LizardSceloporus lundelli
- MacDougall's Spiny LizardSceloporus macdougalli
- Mail-snouted Spiny LizardSceloporus internasalis
- Mexican Emerald Spiny LizardSceloporus formosus
- Mexican Horned LizardPhrynosoma taurus
- Michoacán Blackcollar LizardSceloporus insignis
- Minor LizardSceloporus minor
- Mohawk Dunes Fringe-toed LizardUma thurmanae
- Mojave Fringe-toed LizardUma scoparia
- Mountain Horned LizardPhrynosoma orbiculare
- Nelson's Spiny LizardSceloporus nelsoni
- Nuevo Leon Crevice SwiftSceloporus binocularis
- Oberon Spiny LizardSceloporus oberon
- Ochoterena's LizardSceloporus ochoterenae
- Ornate Spiny LizardSceloporus ornatus
- Paintbelly Spiny LizardSceloporus subpictus
- Palacios' Bunchgrass LizardSceloporus palaciosi
- Pigmy Short-horned LizardPhrynosoma douglasii
- Plateau Bunchgrass LizardSceloporus subniger
- Plateau Earless LizardHolbrookia lacerata
- Plateau Fence LizardSceloporus tristichus
- Preston's Torquate LizardSceloporus mikeprestoni
- Queretaran Desert LizardSceloporus exsul
- Regal Horned LizardPhrynosoma solare
- Rock Horned LizardPhrynosoma ditmarsi
- Rosebelly LizardSceloporus marmoratus
- Rosebelly LizardSceloporus olloporus
- Rosebelly LizardSceloporus variabilis
- Rough LizardSceloporus horridus
- Rough-scaled LizardSceloporus serrifer
- Roundtail Horned LizardPhrynosoma modestum
- Salvin's Spiny LizardSceloporus salvini
- San Diego Horned LizardPhrynosoma blainvillii
- San Gabriel Bunchgrass LizardSceloporus dixoni
- San Lorenzo Island LizardUta encantadae
- San Pedro Side-blotched LizardUta palmeri
- Santa Catalina Spiny LizardSceloporus lineatulus
- Santa Cruz Island SatorSceloporus angustus
- Schmidt’s Emerald LizardSceloporus schmidti
- Shannons’ Spiny LizardSceloporus shannonorum
- Short-tail Horned LizardPhrynosoma braconnieri
- Shortnose Rock LizardPetrosaurus repens
- Shy Spiny LizardSceloporus cautus
- Side-blotched LizardUta stansburiana
- Sierra Juarez Spiny LizardSceloporus cryptus
- Sierra de Mascota Bunchgrass LizardSceloporus hesperus
- Slevins’s Bunch Grass LizardSceloporus slevini
- Small-scaled LizardUrosaurus nigricauda
- Smith's Rosebelly LizardSceloporus smithi
- Socorro Island Tree LizardUrosaurus auriculatus
- Sonoran Horned LizardPhrynosoma goodei
- Southern Bunchgrass LizardSceloporus aeneus
- Southern Cleft LizardSceloporus omiltemanus
- Southern Earless LizardHolbrookia subcaudalis
- Southern Occidental Bunchgrass LizardSceloporus aurantius
- Southern Prairie LizardSceloporus consobrinus
- Southern Sagebrush LizardSceloporus vandenburgianus
- Southwestern Bunchgrass LizardSceloporus unicanthalis
- Speckled Earless LizardHolbrookia approximans
- Spotted Spiny LizardSceloporus maculosus
- Stejneger's Blackcollar Spiny LizardSceloporus stejnegeri
- Striated Emerald (Spiny) LizardSceloporus scitulus
- Striped Plateau LizardSceloporus virgatus
- Swollen-nosed Side-blotched LizardUta tumidarostra
- Tanner's Spiny LizardSceloporus tanneri
- Taylor's Spiny LizardSceloporus edwardtaylori
- Teapen Rosebelly LizardSceloporus teapensis
- Texas Horned LizardPhrynosoma cornutum
- Texas Spiny LizardSceloporus olivaceus
- Trans Volcanic Bunchgrass LizardSceloporus bicanthalis
- Tree LizardUrosaurus ornatus
- Tropical tree lizardUrosaurus bicarinatus
- Twin-spotted Spiny LizardSceloporus bimaculosus
- Upland Long-tailed Spiny LizardSceloporus cupreus
- Western Fence LizardSceloporus occidentalis
- Western Long-tailed Brush LizardUrosaurus graciosus
- White-bellied Rough LizardSceloporus albiventris
- Yarrow's Spiny LizardSceloporus cyanostictus
- Yarrow's Spiny LizardSceloporus jarrovii
- Yellow-spotted Spiny LizardSceloporus chrysostictus
- Yuman Desert Fringe-toed LizardUma cowlesi
- Zebra-tailed LizardCallisaurus draconoides
- Zempoala Bar-bellied LizardSceloporus sugillatus
- sand dune lizardSceloporus arenicolus
- Sceloporus geminus