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Reptile
Ichthyosaurs (Greek for "fish lizard" – ιχθυς or ichthys meaning "fish" and σαυρος or sauros meaning "lizard") were large marine reptiles. Ichthyosaurs belonged to the order known as Ichthyosauria or ...
Dbpediathing
The Triassic /traɪˈæsɪk/ is a geologic period and system that extends from about 250 to 200 Ma (252.2 ± 0.5 to 201.3 ± 0.2 million years ago). It is the first period of the Mesozoic Era, and lies betw ...
Wikipedia Article
Mammals (class Mammalia /m?'me?li.?/) are a clade of endothermic amniotes distinguished from the reptiles and the birds by the possession of hair, three middle ear bones, mammary glands in females, an ...
Definition
The Jurassic is a geologic period and system that extends from 201.3± 0.6 Ma (million years ago) to 145± 4 Ma; that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic co ...
Definition
colspan=2 style="text-align: center; background-color: transparent; text-align:center; border: 1px solid red;" | MammalsTemporal range: Middle Jurassic - Present, 167.7–0Ma PreЄ Є O S D C P ...
Definition
The Permian is a geologic period and system which extends from 298.9 ± 0.2 to 252.2 ± 0.5 (Million years ago). It is the last period of the Paleozoic Era, following the Carboniferous Period and preced ...
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