Permian-Carboniferous

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• Permian — Per mi*an, a. [From the ancient kingdom of Permia, where the Permian formation exists.] (Geol.) Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and… …   The Collaborative International Dictionary of English

• Carboniferous — Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and characterized by the …   The Collaborative International Dictionary of English

• Carboniferous age — Carboniferous Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and… …   The Collaborative International Dictionary of English

• Carboniferous formation — Carboniferous Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and… …   The Collaborative International Dictionary of English

• Carboniferous tetrapods — include amphibians and reptiles that lived during the Carboniferous Period.During this time, amphibians (including many extinct groups unrelated to modern forms, referred to as basal tetrapods ) were the predominant tetrapods, and included the… …   Wikipedia

• Permian tetrapods — were amphibians and reptiles that lived during the Permian Period.During this time, amphibians remained common, including various Temnospondyli and Lepospondyli. Synapsids became the dominant type of animal, represented by the Pelycosaurs during… …   Wikipedia

• Carboniferous — ► ADJECTIVE Geology ▪ relating to the fifth period of the Palaeozoic era (between the Devonian and Permian periods, about 363 to 290 million years ago), a time when extensive coal bearing strata were formed …   English terms dictionary

• Permian — ► ADJECTIVE Geology ▪ of or relating to the last period of the Palaeozoic era (between the Carboniferous and Triassic periods), about 290 to 245 million years ago, a time when reptiles proliferated and many marine animals became extinct. ORIGIN… …   English terms dictionary

• Permian Period — Interval of geologic time, 290–248 million years ago. The last of the six periods of the Paleozoic Era, it follows the Carboniferous Period. During the Permian, the continents joined to form a single supercontinent, Pangea. Hot, dry conditions… …   Universalium

• Permian — For the language family, see Permic languages. For the high school, see Permian High School. For the geological basins, see Permian Basin. Permian Period 299–251 million years ago …   Wikipedia

• Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium