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Synapsida [a] is a diverse group of tetrapod vertebrates that includes all mammals and their extinct relatives. It is one of the two major clades of the group Amniota, the other being the more diverse group Sauropsida (which includes all extant reptiles and birds).
The Regenstein Small Mammal-Reptile House is a 32,000-square-foot (3,000 m 2) indoor exhibit that opened in 1997 and houses small animals in two main areas: the Gallery and the Ecosystem. The Gallery begins with a large room ringed with terrariums exhibiting reptiles and amphibians.
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The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. [1] Tetrapods (under the apomorphy-based definition used on this page) are categorized as animals in the biological superclass Tetrapoda, which includes all living and extinct amphibians, reptiles, birds, and mammals.
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
Domestic cat or house cat (Felis catus) [3] Common North African wildcat (Felis lybica lybica) [27] 8000–7500 BCE [27] the Near East: meat, pelts, pest control, research, show, pets Tame, slight physical changes Very abundant in captivity; true wildcat species less abundant, though not rare, feral populations very common 1c Carnivora
Because the amnion and the fluid it secretes shields the embryo from environmental fluctuations, amniotes can reproduce on dry land by either laying shelled eggs (reptiles, birds and monotremes) or nurturing fertilized eggs within the mother (marsupial and placental mammals).
This list of fictional reptiles is subsidiary to the list of fictional animals and is a collection of various notable reptilian characters that appear in various works of fiction. It is limited to well-referenced examples of reptiles in literature, film, television, comics, animation, video games and mythology , organized by species.