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These (four footed) animals are further divided into modern groupings roughly equivalent to the amphibians, turtles (Formerly grouped with the reptiles), reptiles and birds (formerly considered a separate grouping), and mammals. |
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Not yet well described
A small group, called the anapsids
A large groups, called the diapsids. This includes the extinct ichthyouaurs; the extinct dinosaurs, modern crocodilians and birds; the mostly extinct sphenodontids, and modern snakes and lizards.
A large and diverse group, containing most large and familiar animals. This includes extinct groups called synapsids, non-placental mammals, edentates, rodents, insectivores, ungulates, carnivores, bats, and primates.
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This is connected first to other sciences. Physics, chemistry, astronomy, and earth science including geology, hydrospheric science, atmospheric science, physical geography, and geohistory have some connections. |
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Molecular biology, cell biology organism biology, other systematics, ecology, and biohistory can also be connected. Personal studies including the human body, psychology, and biography can be connected. Other areas of knowledge such as anthropology, culture, institutions, sociology, and history will be connected as this site develops. |
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