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Fourth period of the Paleozoic Era
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 60.7 million
Devonian
Second of the big five mass extinctions
Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Late Devonian mass extinction, also known as the Kellwasser event, was a mass extinction
Late_Devonian_mass_extinction
Topics referred to by the same term
Devonian is a geologic period and system of the Paleozoic Era. Devonian may also refer to: Devonian Gardens (Calgary), an indoor near Calgary, Canada
Devonian_(disambiguation)
List of ships with the same or similar names
SS Devonian may refer to the following ships: SS Devonian (1900), a British cargo liner torpedoed and sunk in 1917 SS Devonian (1902), an ocean liner
SS_Devonian
Indoor botanical park in downtown Calgary
Devonian Gardens is a large indoor park and botanical garden located in the downtown core of Calgary, Alberta, Canada. In 2012 a major $37-million renovation
Devonian_gardens
Fifth period of the Paleozoic Era
of the Paleozoic era that spans 60 million years, from the end of the Devonian Period 358.86 Ma (million years ago) to the beginning of the Permian Period
Carboniferous
Second epoch of the Devonian period
timescale, the Middle Devonian epoch (from 393.47 ± 0.99 million years ago to 382.31 ± 1.36 million years ago) occurred during the Devonian period, after the
Middle_Devonian
Third period of the Paleozoic Era
Ordovician Period, at 443.1 Ma (million years ago) to the beginning of the Devonian Period, 419.62 Ma. The Silurian is the third and shortest period of the
Silurian
Period of rapid plant and fungal diversification, 428–359 million years ago
The Silurian-Devonian Terrestrial Revolution (SDTR), also known as the Devonian Plant Explosion (DePE) and the Devonian explosion, was a period of rapid
Silurian-Devonian Terrestrial Revolution
Silurian-Devonian_Terrestrial_Revolution
First epoch/series of the Devonian
The Early Devonian is the first of three epochs comprising the Devonian period, corresponding to the Lower Devonian series. It lasted from 419.62 ± 1
Early_Devonian
British cargo steamship sunk in 1917
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
SS_Devonian_(1900)
Evolution of fish
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
Timeline_of_fish_evolution
Geological sequence in the Kimberley region of Western Australia
The Balili Conservation Park or Devonian Reef Conservation Park is an Australian protected area and is located in the Kimberley region of Western Australia
Devonian_Reef
Extinct genus of indeterminate eukaryote
large macroscopic eukaryote dating from the Late Silurian until the Late Devonian periods. Prototaxites formed large trunk-like structures up to 1 metre
Prototaxites
Fishapods and amphibians of the geological period
Devonian tetrapods include fishapods and amphibians that lived during the Devonian Period. Carboniferous tetrapods – Amphibians and reptiles of the geological
List_of_Devonian_tetrapods
Geological dating dispute of plants
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
Great_Devonian_Controversy
Geology of Scottish islands
geology of the Orkney islands in northern Scotland is dominated by the Devonian Old Red Sandstone (ORS). In the southwestern part of Mainland, this sequence
Geology_of_Orkney
Clade of lobe-finned fish
spines supporting the fins. Sarcopterygii emerged in the Silurian and early Devonian periods consisting entirely of aquatic species, but today the vast majority
Sarcopterygii
First era of the Phanerozoic Eon
geologic periods, (from oldest to youngest) Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian. Some geological timescales divide the Paleozoic
Paleozoic
Class of extinct, Paleozoic arthropods
remained diverse during the following Silurian and early Devonian. During the mid-late Devonian, their diversity strongly declined, being impacted by successive
Trilobite
Fossils of many types of water-dwelling animals from the Devonian period are found in deposits in the U.S. state of Michigan. Among the more commonly occurring
Animals_of_Devonian_Michigan
Subphylum of chordates
Silurian and diversified widely in the Devonian. The first tetrapods appeared towards the end of the Devonian, and the first amphibians appeared on land
Vertebrate
Extinct paraphyletic class of fishes
prehistoric fish known from Paleozoic fossils during the Silurian and the Devonian periods. While their endoskeletons are mainly cartilaginous, their head
Placoderm
Mass extinction at the end of the Devonian
Hangenberg crisis or end-Devonian extinction, is a mass extinction that occurred at the end of the Famennian, the last stage in the Devonian Period (roughly 358
Hangenberg_event
Clade of the first four-limbed vertebrates and their descendants
lobe-finned fish (sarcopterygians) around 390 million years ago in the Middle Devonian period. Early tetrapodomorphs were transitional between lobe-finned fishes
Tetrapod
The list of Early Devonian (419.2 ± 2.8 to 393.3 ± 2.5 million years ago) land plants includes currently known vascular and potentially vascular plants
List of Early Devonian land plants
List_of_Early_Devonian_land_plants
Naamdhew, Penn-Clarke & Harper (2026) reconstruct changes of composition of Devonian brachiopod communities from Gondwana and their biogeography, finding evidence
2026_in_paleontology
Extinct class of corals
Middle Devonian) Order Stauriida Verrill, 1865 (Middle Ordovician – Late Permian) Suborder Arachnophyllina Zhavoronkova, 1972 (Silurian – Middle Devonian) Suborder
Rugosa
Extinct genus of spiders
is an extinct genus of extinct trigonotarbid arachnids known from the Devonian of western Europe. The genus was first found and described in the Rhynie
Palaeocharinus
Extinct genus of cartilaginous fishes
acanthodian fish from the lower to middle Devonian Scotland. It is among the more primitive of the Devonian acanthodians. Mesacanthus body fossils have
Mesacanthus
Geologic formation in the United States
one of several transgressive events (rising sea levels) during the Late Devonian. The Middlesex is a laminated, dark grey to black formation comprising
Middlesex_Formation
Branch of Brittonic containing Cornish and Breton
The Southwestern Brittonic languages (Breton: Predeneg ar mervent, Cornish: Brythonek Dyghowbarthgorlewin) are the Brittonic Celtic languages spoken in
Southwestern Brittonic languages
Southwestern_Brittonic_languages
Office in Alberta, Canada
Cushman and Wakefield. The podium of Toronto-Dominion Square contains the Devonian Gardens, an indoor botanical park occupying the top level of the retail
Toronto-Dominion_Square
Fossil reef in New South Wales, Australia
The Wee Jasper reef was an Early Devonian (Emsian) mesophotic coral reef ecosystem located in what is now the Wee Jasper–Taemas area, New South Wales,
Wee_Jasper_reef
Middle Devonian age unit of sedimentary rock
The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive
Marcellus_Formation
Fourth and current eon of the geological timescale
are six periods in the Paleozoic era: Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian. The Cambrian is the first period of the Paleozoic
Phanerozoic
Extinct suborder of fishes
(of the suborder Brachythoraci), armored fish most diverse during the Devonian. Most are considered to be pelagic (open ocean) long-distance swimmers
Coccosteomorphi
Extinct Devonian genus of Eurypterida
Silurian to Early Devonian age, from the Wenlock epoch to Emsian stage. There are three known species: the type species J. rhenaniae from Devonian brackish to
Jaekelopterus
Extinct genus of trilobites
Kolihapeltis is a genus of trilobite that lived from the Early Devonian to the Middle Devonian. Its remains have been found in Africa and Europe. Evolving
Kolihapeltis
Autonomous territory of Denmark
the early tetrapods such as the Acanthostega and Ichthyostega from the Devonian and unique Triassic animals such as the phytosaur Mystriosuchus alleroq
Greenland
Extinct genus of placoderm fish
parts of the world in marine sediments dating from the Middle to Late Devonian. They were medium-to-large fish, with specimens E. pustulosus and E. licharevi
Eastmanosteus
Early Devonian sedimentary deposit in Scotland
57.33667°N 2.84139°W / 57.33667; -2.84139 The Rhynie chert is a Lower Devonian sedimentary deposit exhibiting extraordinary fossil detail or completeness
Rhynie_chert
Sedimentary basin of Devonian age in Scotland, UK
The Orcadian Basin is a sedimentary basin of Devonian age that formed mainly as a result of extensional tectonics in northeastern Scotland after the end
Orcadian_Basin
Variety of the English language
Speech example An example of a female with a mostly rhotic accent from Bristol (Sophie Anderson). Problems playing this file? See media help. Speech example
West_Country_English
Paraphyletic infraphylum of fish
particularly "ostracoderms" reaching an apex of diversity during the Early Devonian, though they subsequently declined, with all non-cyclostome jawless fish
Agnatha
Development of insects from an ancestral crustacean and their subsequent radiation
The first insects were landbound, but about 400 million years ago in the Devonian period one lineage of insects evolved flight, the first animals to do so
Evolution_of_insects
Extinct clade of reef-building sponges
sponges common in the fossil record from the Middle Ordovician to the Late Devonian. They can be characterized by their densely layered calcite skeletons lacking
Stromatoporoidea
Northern landmass that formed part of the Pangaea supercontinent
of the Devonian a narrow seaway formed a barrier where the North Atlantic would later open. Tetrapods evolved from fish in the Late Devonian, with the
Laurasia
Paraphyletic group of tetrapodomorphs
group evolved from elpistostegalian fish in the late Devonian, or possibly in the middle Devonian. They continued to thrive as denizens of swampland and
Ichthyostegalia
Origin and diversification of fish through geologic time
fish) and Sarcopterygii (which includes the lobe-finned fish). During the Devonian period a great increase in fish variety occurred, especially among the
Evolution_of_fish
Unit of sedimentary rock in the US
The Devonian Catskill Formation or the Catskill Clastic Wedge is a unit of mostly terrestrial sedimentary rock found in Pennsylvania and New York. Minor
Catskill_Formation
Extinct genus of fish
Dhanguura is an extinct genus of arthrodire from the Early Devonian of the Wee Jasper reef in New South Wales, Australia. It contains the single species
Dhanguura
Clade of tetrapodomorphs
appear in the late Middle Devonian or in the early Late Devonian. However, a series of trace fossils from the early Middle Devonian of Poland suggests that
Elpistostegalia
Clade of insects
the Eumetabola clade originated 390–350 million years ago, in the Late Devonian. The phylogeny of Eumetabola is shown in the cladogram, using the molecular
Eumetabola
Extinct species of arthropod
Strudiella devonica is a species of extinct arthropod from the Devonian. It was recovered in the Strud (Gesves, Belgium) environment from the Bois des
Strudiella
Genus of extinct placoderms
extinct genus of phyllolepid arthrodire placoderm from Middle to Late Devonian freshwater strata of Australia. The type species, A. ritchiei is found
Austrophyllolepis
Extinct genus of Cartilaginous fish
is an extinct genus of Chondrichthyian from the Devonian period. It is named for middle to late Devonian-aged Aztec Siltstone of southern Victoria Land
Aztecodus
Extinct genus of jawless fishes
the late Silurian period until the genus' extinction during the Early Devonian. As with other cyathaspidiforms, individuals of Anglaspis had dorsal and
Anglaspis
Extinct genus of jawless fishes
Middle Devonian of Scotland. Cornovichthys is also classified as a rare agnathan and shares similarities with the fauna found in the Late Devonian Escuminac
Cornovichthys
Extinct order of jawless fishes
agnathan vertebrates known from extensive fossil remains primarily from Early Devonian strata of Europe and North America, and from Upper Silurian Canada. A pteraspidiform
Pteraspidiformes
Third stage of the Devonian
The Emsian is one of three faunal stages in the Early Devonian Epoch. It lasted from 410.62 ±1.95 million years ago to 393.47 ±0.99 million years ago.
Emsian
Island in the North Atlantic Ocean
MacGillycuddy's Reeks, is an area of substantially deformed, lightly metamorphosed Devonian-aged rocks. This partial ring of "hard rock" geology is covered by a blanket
Ireland
Geologic formation in Canada
preserves fossils dating back to the early Emsian to early Eifelian the lower Devonian period. A part of the Gaspé Sandstones, the Battery Point Formation is
Battery_Point_Formation
Class of lobe-finned fishes
Well-represented in freshwater and marine deposits from as early as the Devonian period (more than 410 million years ago), they were thought to have become
Coelacanth
Order of arthropods
since Ordovician to mid-Devonian in age. As of 2019, most chasmataspidids (with a total of 9 species) are known from the Devonian strata, while the preceding
Chasmataspidida
Genus of extinct fishes
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
Dunkleosteus
Genus of trilobites
of proetid trilobite found in Silurian-aged marine strata of Europe and Devonian-aged strata of Gondwana. The generic name commemorates Proetus (Ancient
Proetus_(trilobite)
Extinct genus of spider-like arachnids
come to mean spider, as in cobweb.[citation needed] An important Early Devonian (about 390 million years ago) fossil example from Gilboa, New York, was
Attercopus
Fifth stage of the devonian and second stage of the Middle Devonian
The Givetian is one of two faunal stages in the Middle Devonian Period. It lasted from 387.95 million years ago to 382.31 million years ago. It was preceded
Givetian
Geologic member in the United States
also referred to as the Cleveland Member of the Ohio Shale, is a Late Devonian (Famennian) shale geologic member in the eastern United States. The Cleveland
Cleveland_Shale
Extinct family of jawless fishes
heterostracan agnathans. Fossils of the various genera are found in early Devonian-aged marine strata. Protopteraspidids were once thought to represent a
Protopteraspididae
in the middle Ordovician (~470 million years ago). By the middle of the Devonian (~390 million years ago), fossil evidence has shown that many of the features
Evolutionary history of plants
Evolutionary_history_of_plants
Geologic formation in Nunavut, Canada
The Fram Formation is an Upper Devonian (Frasnian) sequence of rock strata on Ellesmere Island that came into prominence in 2006 with the discovery in
Fram_Formation
Extinct genus of fishes
ὀστέον ostéon 'bone') is an extinct genus of arthrodire placoderm from the Devonian period. Its fossils have been found throughout Europe and North America
Coccosteus
Extinct suborder of fishes
(of the suborder Brachythoraci), armored fish most diverse during the Devonian. Most are considered to be pelagic (open ocean) long-distance swimmers
Pachyosteomorphi
Lagerstätte formation in the Kimberley, Western Australia
Australia is a Lagerstätte that exhibits exceptional preservation of a Devonian reef community. The formation is named after Gogo Station, a cattle station
Gogo_Formation
Extinct genus of corals
colonial rugose coral. Fossils are found in rock formations dating to the Devonian period, about 350 million years ago. Specimens of Hexagonaria can be found
Hexagonaria
Geological formation in Germany
The Hunsrück Slate (German: Hunsrück-Schiefer) is a Lower Devonian lithostratigraphic unit, a type of rock strata, in the German regions of the Hunsrück
Hunsrück_Slate
Extinct order of fishes
extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction, surviving for about 50 million years
Arthrodira
First stage of the Carboniferous
346.7 Ma. It is preceded by the Famennian (the uppermost stage of the Devonian) and is followed by the Viséan. In global stratigraphy, the Tournaisian
Tournaisian
Rock formation in Western Australia
The Virgin Hills Formation is a geologic formation dating to the Late Devonian, specifically the Frasnian and Famennian epochs. It is located in the Kimberley
Virgin_Hills_Formation
Rapid decrease in Earth's biodiversity
major Late Devonian extinction was the Hangenberg Event at the Devonian-Carboniferous boundary (D-C, 359 Ma), which brought an end to the Devonian as a whole
Extinction_event
Geologic group in the Appalachian Basin, U.S.
Group is a geologic group in the Appalachian Basin. It dates back to the Devonian period. Also stratigraphically equivalent to the Portage Group. The West
West_Falls_Group
Extinct genus of homostiid arthrodire
from the Wee Jasper reef in New South Wales, Australia, during the Early Devonian. The generic epithet honors Ian and Helen Cathles, being a compound of
Cathlesichthys
Jennifer L.; Richardson, John B.; Edwards, Dianne (2011-06-01). "Lower Devonian plant and spore assemblages from Lower Old Red Sandstone strata of Tredomen
List_of_lagerstätten
p. 523-537. Randolph, Amy (2014). "ABSTRACT: A Brief Overview of Upper Devonian Black Shale Natural Gas Well Development in Pennsylvania Year Ending 2013"
Burket_Shale
Earth's most severe extinction event
Times – via NYTimes.com. Over, D. Jeffrey, ed. (2005). Understanding Late Devonian and Permian-Triassic biotic and climate events: towards an integrated approach
Permian–Triassic extinction event
Permian–Triassic_extinction_event
Extinct family of fishes
Dunkleosteidae is an extinct family of arthrodire placoderms that lived during the Devonian period. The gigantic apex predator Dunkleosteus terrelli is the best known
Dunkleosteidae
First stage of the Devonian
Early Devonian Epoch. It lasted from 419.62 ± 1.36 million years ago to 413.02 ± 1.91 million years ago. It marked the beginning of the Devonian Period
Lochkovian
Extinct genus of jawless fishes
jawless fish. It existed from the Lochkovian to Eifelian epochs of the Devonian period in areas that are now the Americas and Europe. Like other heterostracan
Pteraspis
Extinct family of jawless fishes
Fossils are known from the Lower Silurian and Middle Devonian of Scotland, and the Upper Devonian of Canada. In particular, Euphanerops is unique in that
Euphaneropidae
Extant subclass of cephalopods
from straight-shelled orthoceratoids. The ammonoids appeared early in the Devonian period (some 400 million years ago) and became abundant in the Mesozoic
Nautiloid
Infraphylum of vertebrates
appearing by the early Silurian, and become abundant by the start of the Devonian. Gnathostomata is traditionally an infraphylum, broken into three top-level
Gnathostomata
County of England
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
Devon
Extinct genus of fishes
from over a dozen species found worldwide spanning the middle to late Devonian, making it one of the oldest known total group elasmobranchs. Most species
Phoebodus
Mountain building event caused by the collision of Laurentia, Baltica and Avalonia
orogeny encompasses events that occurred from the Ordovician to Early Devonian, roughly 490–390 million years ago (Ma). It was caused by the closure of
Caledonian_orogeny
Highway in Alberta
KML/Alberta Highway 60 KML is not from Wikidata Highway 60, officially named Devonian Way, is a north–south highway west of Edmonton in the Canadian province
Alberta_Highway_60
known from the Early and Middle Devonian. It is possibly related to the dubious genus Globoharpes from the Late Devonian of Australia. "Kielania". Paleobiology
Kielania
Extinct genus of spore-bearing plants
early ligulate lycopsids (clubmosses), known as fossils from the Middle Devonian of Australia, North America, Germany, and Belgium. It has been placed in
Leclercqia_(plant)
Rock composed of fossilized coral
are fragments of a coral reef that was originally deposited during the Devonian period, approximately 350 million years ago. When dry, the stone resembles
Petoskey_stone
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