Squamata - Wikipedia
WebSquamata ( / skwæˈmeɪtə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes. With over 11,500 species, [2] it is also the second-largest order of extant (living) vertebrates, after the perciform fish.
Characteristics of Squamates Reptiles - ThoughtCo
WebAug 16, 2019 · Laura Klappenbach. Updated on August 16, 2019. Squamates (Squamata) are the most diverse of all the reptile groups, with approximately 7400 living species. Squamates include lizards, snakes, and worm lizards. There are two characteristics that unite the squamates.
The origin of squamates revealed by a Middle Triassic lizard ... - Nature
WebMay 30, 2018 · Modern squamates (lizards, snakes and amphisbaenians) are the world’s most diverse group of tetrapods along with birds 1 and have a long evolutionary history, with the oldest known fossils dating...
Squamata (Lizards and Snakes) | Encyclopedia.com
WebSquamates are the most diverse living clade of reptiles, including about 1,440 genera and 4,450 species of lizards plus 440 genera and 2,750 species of snakes. Although snakes are commonly considered to constitute their own group, they clearly have descended from lizards and are merely limbless lizards.
Evolutionary origins of the prolonged extant squamate radiation
WebNov 29, 2022 · 8 Citations. 126 Altmetric. Metrics. Squamata is the most diverse clade of terrestrial vertebrates. Although the origin of pan-squamates lies in the Triassic, the oldest undisputed members of...
Squamata - New World Encyclopedia
WebSquamata (scaled reptiles) is the most diverse order of extant reptiles, comprised of the lizards and snakes and characterized a flexible jaw structure (movable quadrate bones) and having scales or shields rather than shells or secondary palates.
A phylogeny and revised classification of Squamata, including …
WebApr 29, 2013 · Squamate reptiles (lizards, snakes, and amphisbaenians ["worm lizards"]) are among the most diverse radiations of terrestrial vertebrates. Squamata includes more than 9400 species as of December 2012 [ 1 ]. The rate of new species descriptions shows no signs of slowing, with a record 168 new species described in 2012 [ 1 ], greater than …
Snakes and Lizards: Squamata | Encyclopedia.com
WebThe 7,200 species of snakes, lizards, and wormlizards all fall under the order Squamata and are therefore known as squamates (SKWAH-mates). Perhaps the most noticeable difference between the snakes and the lizards are the legs, or the lack of them. Most lizards, except for a few species, have working legs. Snakes are legless.
SquamBase—A database of squamate (Reptilia: Squamata) traits
WebFeb 7, 2024 · With over 11,700 recognised species (Uetz, 2023, and species described since) squamates (Reptilia: Squamata) are the largest clade of land vertebrates in terms of the number of species.
A Mysterious Fossil Points to the Origins of Lizards and Snakes
WebOct 8, 2018 · With 10,000 distinct species, squamates comprise one of the largest orders of land vertebrates on the planet. They’re found on six continents, have adapted to a dizzying array of habitats and...
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