The Devonian (/dəˈvoʊni.ən, dɛ-/ də-VOH-nee-ən, deh-) is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million...

timescale, the Middle Devonian epoch (from 397.5 ± 2.7 million years ago to 385.3 ± 2.6 million years ago) occurred during the Devonian period, after the...

Tr–J P–Tr Cap Late D O–S The Late Devonian extinction consisted of several extinction events in the Late Devonian Epoch, which collectively represent...

Devonian is a geologic period and system of the Paleozoic Era. Devonian may also refer to: Devonian Gardens (Calgary), an indoor near Calgary, Canada...

The Great Devonian Controversy began in 1834 when Roderick Murchison disagreed with Henry De la Beche as to the dating of certain petrified plants found...

time in particular the Devonian, which has been dubbed the "age of fishes" for the many changes during that period. The Late Devonian extinctions played a...

The Balili Conservation Park or Devonian Reef Conservation Park is an Australian protected area and is located in the Kimberley region of Western Australia...

The Early Devonian is the first of three epochs comprising the Devonian period, corresponding to the Lower Devonian series. It lasted from 419.2 ± 3.2 to...

The Silurian-Devonian Terrestrial Revolution, also known as the Devonian Plant Explosion (DePE) and the Devonian explosion, was a period of rapid colonization...

system of the Paleozoic that spans 60 million years from the end of the Devonian Period 358.9 Ma (million years ago) to the beginning of the Permian Period...

Ordovician Period, at 443.8 million years ago (Mya), to the beginning of the Devonian Period, 419.2 Mya. The Silurian is the shortest period of the Paleozoic...

Dome Petroleum. The base includes a large botanical garden called the Devonian Gardens. In 1980, SOM replicated the design concept in its Town Square...

geologic periods (from oldest to youngest): Cambrian Ordovician Silurian Devonian Carboniferous Permian Some geological timescales divide the Paleozoic informally...

Devonian (416–385 Ma), while the predatory placoderms dominated the seas, some sarcopterygians came into freshwater habitats. In the Early Devonian (416–397 Ma)...

SS Devonian was a British cargo liner that was launched in Ireland in 1900. She was designed to carry a large number of cattle or other livestock, and...

crisis or end-Devonian extinction, is a mass extinction that occurred at the end of the Famennian stage, the last stage in the Devonian Period (roughly...

Devonian tetrapods include fishapods and amphibians that lived during the Devonian Period. Carboniferous tetrapods Permian tetrapods "Tetrapodomorpha"...

birds. Transitional tetrapods first appeared during the early Devonian, and by the late Devonian the first tetrapods appeared. The diversity of jawed vertebrates...

from the Middle Devonian, and body fossils became common near the end of the Late Devonian, around 370-360 million years ago. These Devonian species all belonged...

The Southwestern Brittonic languages (Breton: Predeneg ar mervent, Cornish: Brythonek Dyghowbarthgorlewin) are the Brittonic Celtic languages spoken in...

trilobite referred to the species Dipleura dekayi is described from the Devonian Floresta Formation (Colombia) by Carvalho (2018). A study on the phylogenetic...

have appeared in the late Ordovician (~445 mya) and became common in the Devonian period, often known as the "Age of Fishes". The two groups of bony fishes...

Kasibelinurus is a genus of xiphosuran from the Devonian. It is part of the family Kasibelinuridae. Lamsdell, James C.; Xue, Jinzhuang; Selden, Paul A...

prehistoric fish known from Paleozoic fossils during the Silurian and the Devonian periods. While their endoskeletons are mainly cartilaginous, their head...

are six periods in the Paleozoic era: Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian. The Cambrian is the first period of the Paleozoic...

continued to diversify during the subsequent Devonian period, the eurypterids were heavily affected by the Late Devonian extinction event. They declined in numbers...

Silurian period. Attercopus fimbriunguis, from 386 million years ago in the Devonian period, bears the earliest known silk-producing spigots, but its lack of...

of large arthrodire ("jointed-neck") fish that existed during the Late Devonian period, about 382–358 million years ago. It was a pelagic fish inhabiting...

placoderms, appeared in the Silurian and greatly diversified during the Devonian, the "Age of Fishes". Bony fish, distinguished by the presence of swim...

and Cretaceous geology of the region. The county gives its name to the Devonian geologic period, which includes the slates and sandstones of the north...