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Beetles are insects that form the order Coleoptera (/koʊliːˈɒptərə/), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases...

Cambrian as small filter feeders; they continued to evolve through the Paleozoic, diversifying into many forms. The earliest fish with dedicated respiratory...

American Museum of Natural History in Manhattan, and planned to create a Paleozoic Museum. During his ten years in America (1868–1878), Hawkins designed...

continent Laurentia collided against proto-South America. Throughout the Paleozoic, overlapping the rapid diversification of multi-cellular life, a series...

of 47 water transport locks. Ottawa is situated in a lowland on top of Paleozoic carbonate and shale and is surrounded by more craggy Precambrian igneous...

igneous intrusion and that were eventually covered with lava during the Paleozoic, peaking during the Acadian orogeny. During the Carboniferous period,...

extinct, sometimes during severe mass extinctions. At their peak in the Paleozoic era, the brachiopods were among the most abundant filter-feeders and reef-builders...

the continent in the early Paleozoic. At the canyon rim is the Kaibab Formation, limestone deposited in the late Paleozoic (Permian) about 270 million...

periods is explained by a decrease in oxygen levels. Wildfires during the Paleozoic and Mesozoic periods followed patterns similar to fires that occur in...

period. The anapsid and synapsid amniotas were common during the late Paleozoic, while the diapsids became dominant during the Mesozoic. In the sea, the...

The geology of the area includes exposed rock from the Mesozoic and Paleozoic eras, with Moenkopi Formation red sandstone having once been quarried...

sandstones and shales. The De Long Islands consist of early Paleozoic, middle Paleozoic, Cretaceous, and Neogene sedimentary and igneous (mostly basalt)...

metamorphism of Paleozoic rocks in western North Macedonia is characterized by low temperatures and high pressures, particularly Paleozoic rocks during the...

2012-4-14. Undiscovered Oil and Gas Resources of Lower Silurian Qusaiba-Paleozoic Total Petroleum Systems [1] "Farsnews.com 17 Apr 2008". Archived from...

colder air temperatures and stronger winds. Much of Piedmont consists of Paleozoic metamorphic and igneous rocks, and the landscape has relatively low relief...

Geologically it is an eastern prolongation of the Galician Massif with Paleozoic folds. It is cut by deep east-west oriented canyons such as the Cares...

Phanerozoic eon that began 539 million years ago being subdivided into Paleozoic, Mesozoic, and Cenozoic eras. These three eras together comprise eleven...

the Cumberland Plateau. Erosion has exposed carbonate bedrock of Late Paleozoic age. These carbonate rocks contain variable amounts of chert and are often...