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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
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
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
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
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
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)
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
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
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
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
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
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
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
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
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
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 the first four-limbed vertebrates and their descendants
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
Tetrapod
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
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
Naamdhew, Penn-Clarke & Harper (2026) reconstruct changes of composition of Devonian brachiopod communities from Gondwana and their biogeography, finding evidence
2026_in_paleontology
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
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
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
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
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
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 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
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
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
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
Geologic formation in China
The Posongchong Formation is an early Devonian formation from China. It preserves a wide range of plant and fish fossils, many being only known from this
Posongchong_Formation
Ongoing extinction event caused by human activity
extinction risk Living fossil Extinction events Major Ordovician–Silurian Late Devonian Permian–Triassic Triassic–Jurassic Cretaceous–Paleogene Holocene Timeline
Holocene_extinction
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
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
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
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
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
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
Origin and diversification of fish through geologic time
birds. Transitional tetrapods first appeared during the early Devonian, and by the late Devonian the first tetrapods appeared. The diversity of jawed vertebrates
Evolution_of_fish
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
performance and dental complexity in eight eubrachythoracid placoderms from the Devonian Gogo Formation (Australia), providing evidence of different adaptations
2026_in_paleoichthyology
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
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
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
Botanical garden in Alberta, Canada
The University of Alberta Botanic Garden (formerly the Devonian Botanic Garden) is Alberta's largest botanical garden. It was established in 1959 by the
University of Alberta Botanic Garden
University_of_Alberta_Botanic_Garden
Eukaryotes other than animals, plants or fungi
Ectasian Stenian Tonian Cryogenian Ediacaran Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Neogene Quaternary
Protist
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
Order of crustaceans
the bulk of the remainder. The earliest fossils of the group date to the Devonian. Decapods can have as many as 38 appendages, arranged in one pair per body
Decapod
Extinct order of sponges
They lived from the Early Ordovician (Tremadocian stage) to the Late Devonian (Famennian stage), though a few putative fossils have been reported from
Labechiida
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
Märss (2025) revises jawless vertebrates from the Silurian (Wenlock) to Devonian (Lochkovian) strata of the Ufa Amphitheatre (Russia), and names a new family
2025_in_paleoichthyology
Genus of jawless fishes
Blieckaspis priscillae is a pteraspidid heterostracan agnathan from the Middle Devonian of North America. Blieckaspis priscillae was originally described by Robert
Blieckaspis
Gap in the tetrapod fossil record
between the primitive forests and high diversity of fishes at the end Devonian and more modern aquatic and terrestrial assemblages of the early Carboniferous
Romer's_gap
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
Hard limestones rock formation in North America
The Onondaga Limestone is a group of hard limestones and dolomites of Devonian age that forms geographic features in some areas in which it outcrops; in
Onondaga_Limestone
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 Devonian arthropod
known from the Early Devonian. This creature was described in 2012 from four fossils found in the Hunsrück Slate, an early Devonian lagerstätten in Germany
Captopodus
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
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
Ocean liner (1902–1929)
In 1923 Cretic was transferred back to the Leyland Line, and renamed Devonian served on the Liverpool-Boston route until the end of her career in September
SS_Cretic
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
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
Evolution of four legged vertebrates and their derivatives
The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. Tetrapods
Evolution_of_tetrapods
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
Chronological outline of major events in the development of plants
Silurian deposits in Victoria, Australia), had become widespread. By the Devonian Period, the colonization of the land by plants was well under way. The
Timeline_of_plant_evolution
Geologic formation in Kentucky, United States
The Sanderson Formation is a geologic formation in Kentucky. It preserves fossils dating back to the Carboniferous period. Earth sciences portal United
Sanderson_Formation
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
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
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 Michigan, Ohio and Ontario
Michigan, Ohio and Ontario. It preserves fossils dating back to the Middle Devonian. The Dundee Limestone is named after Dundee, the area where the original
Dundee_Limestone
Rock formation off the coast of Québec, Canada
visited. Percé Rock's huge limestone formation is geologically dated to the Devonian period of more than 400 million years ago (375 million years is also mentioned)
Percé_Rock
Paraphyletic infraphylum of fish
from the late Cambrian to the Triassic. Many Ordovician, Silurian, and Devonian agnathans were armored with heavy bony-spiky plates. The first armored
Agnatha
Genus of trilobite
trilobite that lived from Late Ordovician through the Silurian to the mid-Devonian period. Fossils of Radiaspis have been found in present-day Europe, Australia
Radiaspis
Extinct order of molluscs
would become Africa, Asia, Australia, Europe, and North America during the Devonian from about the lower boundary of Zlichovian stage (corresponding to late
Agoniatitida
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
Class of lobe-finned fishes
globally distributed. The fossil record of the group extends into the Early Devonian, over 410 million years ago. The earliest known members of the group were
Lungfish
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
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
Extinct species of fish
Middle Devonian to the Late Devonian (around 397.5 to 360 mya). L. panderi has been recovered from the Middle Devonian Gauja Formation and Late Devonian Amata
Laccognathus_panderi
Order of arthropods (fossil)
continued to diversify during the subsequent Devonian period, the eurypterids were heavily affected by the Late Devonian extinction event. They declined in numbers
Eurypterid
Water transport tissue in vascular plants
During the Devonian, maximum xylem diameter increased with time, with the minimum diameter remaining pretty constant. By the middle Devonian, the tracheid
Xylem
Geologic formation in Germany
geologic formation in Germany. It preserves fossils dating back to the Devonian period. Earth sciences portal Germany portal Paleontology portal List of
Gefell_Formation
Uncontrolled fire in forests or open spaces
sometime before the Early Devonian period 405 million years ago. Low atmospheric oxygen during the Middle and Late Devonian was accompanied by a decrease
Wildfire
Extinct agnathan chordates resembling eels
cruisers, but incapable of bursts of speed. Based on isotopic evidence, some Devonian conodonts have been proposed to have been low-level consumers that fed
Conodont
First subperiod of the Carboniferous Period
primarily of marine limestones, it is treated as a geologic period between the Devonian and the Pennsylvanian. During the Mississippian an important phase of orogeny
Mississippian_(geology)
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
Order of marine chelicerates
& Alekseev, 1998 (Devonian) †Willwerathia Størmer, 1969 (Devonian) †Kasibelinuridae Pickett, 1993 (Middle Devonian to Late Devonian) Suborder Xiphosurida
Xiphosura
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
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
Group of early vascular plants
continued to be an important component of the flora until the end of the Early Devonian, a total time span of 433 to 393 million years ago. While Cooksonia fossils
Cooksonia
Geologic description of the Appalachian Mountains
discovered in Silurian and Devonian carbonate reservoirs in east-central Kentucky. Important gas discoveries from the lower Devonian Oriskany Sandstone in
Geology_of_the_Appalachians
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 arachnids
Early Devonian, Scotland Palaeocharinus kidstoni Hirst, 1923 – Early Devonian, Scotland Palaeocharinus rhyniensis Hirst, 1923 – Early Devonian, Scotland
Trigonotarbida
Extinct genus of insects
is known from a partial head with preserved mouthparts from the Early Devonian aged Rhynie chert around 400 million years ago, when Earth’s first terrestrial
Rhyniognatha
Extinct genus of cartilaginous fish
genus of shark-like chondrichthyan (cartilaginous fish) from the Late Devonian (Famennian) of North America. It was similar in body shape to modern lamnid
Cladoselache
Genus of molluscs (fossil)
Pinacoclymenia was a genus of ammonites that existed during the Devonian. "PBDB". paleobiodb.org. Retrieved 2017-09-28. v t e
Pinacoclymenia
DEVONIAN
DEVONIAN
DEVONIAN
DEVONIAN
Boy/Male
Tamil
Thangavel | தஂகவேலÂ
Lord Murugan, God
Male
Scottish
Scottish surname transferred to forename use, possibly originally an Anglo-Norman form of English Edward, EWART means "guardian of prosperity."
Male
Norse
Contracted form of Old Norse StÃgandr, STÃGR means "wanderer."
Female
Hindi/Indian
(विजया) Hindi unisex name VIJAYA means "victory." In mythology, this is the name of a son of Krishna, and another name for the goddess Durga.
Boy/Male
Indian, Punjabi, Sikh
Light of War
Girl/Female
Arabic, Indonesian, Muslim
Bright; Beautiful
Female
Spanish
 Feminine form of Roman Latin Antonius, possibly ANTONIA means "invaluable." In use by the English, Italians and Spanish.
Boy/Male
Muslim
Beautiful, Handsome, Intelligent, Protected by Allah, Self confidence, Respectful
Boy/Male
Muslim
Rain
Boy/Male
Muslim
Successful, Prosperous
DEVONIAN
DEVONIAN
DEVONIAN
DEVONIAN
DEVONIAN
a.
Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system.
n.
A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi.
n.
A genus of fossil trees of the Devonian and Carboniferous ages, having the exterior marked with scars, mostly in quincunx order, produced by the separation of the leafstalks.
a.
Of or pertaining to the lowest period of the Devonian age. (See the Diagram, under Geology.) The Corniferous period has been so called from the numerous seams of hornstone which characterize the later part of the period, as developed in the State of New York.
n.
A genus of trilobites found in the Silurian and Devonian formations. Phacops bufo is one of the most common species.
n.
The Devonian age or formation.
n.
An extensive genus of fossil ferns, of which species have been found from the Devonian to the Triassic formation.
n.
Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment.
n.
A genus of fossil corals abundant in the Silurian and Devonian rocks, having polygonal cells with perforated walls.
n.
One of an extinct genus of fossil cephalopods, allied to the Ammonites. The earliest forms are found in the Devonian formation, the latest, in the Triassic.
n.
A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points.
n.
A genus of trilobites, of many species, common in the Upper Silurian and Devonian rocks.
a.
Of or pertaining to, or designating, the older division of geological time during which life is known to have existed, including the Silurian, Devonian, and Carboniferous ages, and also to the life or rocks of those ages. See Chart of Geology.
n.
A genus of fossil fishes, found in Devonian and carboniferous strata; -- so named from their round, sculptured spines.
n.
An extinct genus of Devonian ganoid fishes, having the broad plates about the head studded with berrylike tubercles.