Lizard Diversity 0.0 / 5 ? BiologyReptiles and DinosaursUniversityNone Created by: Becky_BerryCreated on: 23-11-23 12:25 Dibamidae oldest extant divergence of Squamata, having split around 215 million years ago burrowing animals there is skull tends to be more robust than that of other Squamata contains 2 genera and 23 species found in Mexico, and southeast Asia and New Guinea distributed explained by Bering land bridge 1 of 6 Gekkota diverged around 205 million years ago, just before the Triassic wide distribution explained by supercontinent major split within Gekkota around 150 million years ago all seven extant families appeared just the Cretaceous contains 25% of all lizards some geckos are known to farm planthoppers for honeydew Pygopodoidea: a gecko superfamily which contains three Australasian families Carphodactylidae: the knob-tailed geckos Diplodactylidae: the stone geckos Pygopodidae: the flap-footed geckos Gekkonoidea: a gecko superfamily containing four families Eublepharidae: the eyelid geckos Sphaerodactylidae: the dwarf geckos Phyllodactylidae: the leaf-toed geckos Gekkonidae 2 of 6 Scincomorpha Scincomorpha: an infraorder and clade of lizards including skinks and their close relatives, these include the girdled, plated, and night lizards diverged around 190 million years ago contains 28% of all lizard species, in four families Scincidae: the skinks Xantusiidae: the night lizards Gerrhosauridae: the plated lizards Cordylidae: the girdled lizards 3 of 6 Lacertoidae no morphological synapomorphies diverged 185 million years ago contains 9 families Amphisbaenia: worm lizards Bipedidae: the mole limbed worm lizards (monogeneric) Cadeidae: Cuban worm lizards (monogeneric) Blanidae: Mediterranean worm lizards (monogeneric) Troganophidae: spade-headed worm lizards Amphisbaenidae: the common worm lizards Rhineuridae: the Florida worm lizard (monospecific) Teiidae: whiptails, tegus, etc. Gymnophthalmidae: microteiids, also known as the spectacled lizards Lacertidae: the wall lizards 4 of 6 Toxicofera: Anguimorpha Toxicofera: a clade of scaled reptiles that includes Serpentes, Anguimorpha, and Iguania ANGUIMORPHA Anguidae: the alligator lizards, glass lizards, and allies Anniellidae: the California legless lizards (monogeneric) Diploglossidae: the galliwasps and South American glass lizards Helodermatidae: the beaded lizards (monogeneric) Lanthotidae: the earless monitor (monospecific) Shinisauridae: the Chinese crocodile lizard (monospecific) Varanidae: the monitor and goannas (monogeneric) Xenosauridae: the knob-scaled lizards (monogeneric) 5 of 6 Toxicofera: Iguania IGUANIA: Acrodonta Chamaeleonidae: the chameleons Agamidae: the angleheads, calotes, dragon lizards, and allies Pleurodonta Corytophanidae: the casque-head or helmeted lizards Crotaphytidae: the collared or leopard lizards Dactyloidae: the true anoles (monogeneric) Hoplocercidae: the wood and spiny-tailed lizards Iguanidae: the true iguanas Leiocephalidae: the curly-tailed lizards (monogeneric Leiosauridae: the leiosaurs Liolaemidae: snow swifts and tree iguanas Opluridae: the three-eyed lizards and the Madagascan swifts Phrynosomatidae: the North American spiny lizards Polychrotidae: the bush anoles (monogeneric) Tropiduridae: the lava lizards/neotropical ground lizards 6 of 6
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