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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
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
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
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
Extinct genus of insects
Rhyniognatha 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
Family of brachiopods
brachiopods that belong in the order Orthida. They range from the Early Ordovician to the Early Devonian. This family includes the genus Orthis, which is the namesake
Orthidae
Second epoch of the Devonian period
tetrapods later in the Late Devonian which are descendents of these early fish. The earliest forest grew in the Middle Devonian (Eifelian) time. This new
Middle_Devonian
Evolution of fish
describe the pre-Devonian origin of fish, their Devonian radiation, including the conquest of land by early tetrapods, and the post-Devonian evolution of
Timeline_of_fish_evolution
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
Turner, Susan; Desbiens, Sylvain; Miller, Randall F. (2008-08-01). "Early Devonian putative gyracanthid acanthodians from eastern Canada". Canadian Journal
List_of_acanthodian_genera
Extinct genus of fungi
Tortotubus is an early (Ordovician to Devonian) terrestrial fungus. Its growth trajectory can be ascertained from its fossils, which occur across the
Tortotubus
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
Jaekelopterus
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
Extinct group of plants
are a group of extinct early vascular plants that are considered to be similar to the genus Rhynia, found in the Early Devonian (around 420 to 393 million
Rhyniophyte
Extinct species of comb jelly
Tentaculata, order Cydippida. Only one specimen is known and was found in Early Devonian slate near the German town of Buntenbach, Hunsrück, as a member of the
Archaeocydippida
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 class of corals
Aulophyllina Hill, 1981 (Late Devonian – Middle Permian) Suborder Calostylina Prant, 1957 (Middle Ordovician – Early Devonian) Suborder Caniniina Wang, 1950
Rugosa
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
113864. Valentine, J. L.; Mathieson, D. K.; Simpson, A. J. (2026). "Early Devonian (Lochkovian–Pragian) linguliform brachiopods from the Cobar Supergroup
2026_in_paleontology
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
Extinct genus of fishes
Paleolophus is an extinct genus of early lungfish from the early Devonian of China. The only remains of the genus, a well preserved skull, were found within
Paleolophus
Extinct genus of jawless fishes
from the late Silurian period until the genus' extinction during the Early Devonian. As with other cyathaspidiforms, individuals of Anglaspis had dorsal
Anglaspis
Genus of extinct jawless fish
("ostracoderms"). The type species of the genus, C. lyelli was described from the Early Devonian (Lochkovian)-aged Old Red Sandstone of Scotland in 1835. However this
Cephalaspis
Extinct subclass of cephalopod molluscs
resemble. The earliest ammonoids appeared during the Emsian stage of the Early Devonian, around 410-408 million years ago, with the last species vanishing during
Ammonoidea
Extinct genus of spiders
1923) – Early Devonian, Scotland Palaeocharinus hornei (Hirst, 1923) – Early Devonian, Scotland Palaeocharinus kidstoni (Hirst, 1923) – Early Devonian, Scotland
Palaeocharinus
Devonian fossil locality in Canada
Northwest Territories of Canada renowned for its incredibly well-preserved Early Devonian fish fossils. Discovered in the Mackenzie Mountains in the 1960s, MOTH
MOTH_locality
Early Devonian sedimentary deposit in Scotland
First, the age of the site (Pragian, Early Devonian, formed about 410 million years ago) places it at an early stage in the colonisation of land. Second
Rhynie_chert
Extinct order of bony fishes
sarcopterygian fish that lived during the Devonian period. The onychodontiforms are generally regarded as early-diverging members of the coelacanth lineage
Onychodontiformes
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
Cooksonia
wood and had formed forests of tall trees. Also by the late Devonian, Elkinsia, an early seed fern, had evolved seeds. Evolutionary innovation continued
Evolutionary history of plants
Evolutionary_history_of_plants
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
Extinct family of jawless fishes
heterostracan agnathans. Fossils of the various genera are found in early Devonian-aged marine strata. Protaspidids were once thought to represent a transitional
Protaspididae
Extinct genus of jawless fishes
Silurian strata of Northern Europe, and Middle Silurian to possibly Earliest Devonian strata of Arctic Canada. Birkeniid anaspids are covered by a series of
Birkenia
Phylum of land organisms
known only from the fossil record, from the Silurian period until the early Devonian Rhynie chert. The type genus Nematothallus, which typifies the group
Nematophyta
Extinct family of nautiloids
included in the Oncocerida that lived during the period from the Early Devonian to the Early Carboniferous (Mississippian). Members of the Poterioceratidae
Poterioceratidae
Extinct genus of vascular plants
an extinct monospecific genus of vascular land plants described from Early Devonian (late Pragian-earliest Emsian) outcrops of the Chalonnes Formation in
Armoricaphyton
Extinct genus of spore-bearing plants
Ramoferis is a genus of extinct vascular plants of the Pragian stage of the Early Devonian, around 413 to 411 million years ago. It is considered to be a zosterophyll
Ramoferis
Extinct species of vascular plant
axial, free-sporing diplohaplontic embryophytic land plant of the Early Devonian that had anatomical features more advanced than those of the bryophytes
Rhynia
Extinct family of jawless fishes
amphiaspidid heterostracan agnathans, whose fossils are restricted to Lower Devonian, in marine strata of Siberia near the Taimyr Peninsula. In life, all of
Eglonaspididae
Class of lobe-finned fishes
named. 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
Coelacanth
Extinct genus of arthropods
arthropods. Fossils of Houia have been discovered in deposits of the Early Devonian period in Guangxi and Yunnan, both in China. The genus contains two
Houia
Extinct genus of bivalves
Aviculopecten is an extinct genus of bivalve mollusc that lived from the Early Devonian to the Late Triassic in Asia, Australia, Europe, North America, and
Aviculopecten
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.
Pteraspidiformes
Extinct genus of brachiopods
centimetres or 3.0 inches) that lived during the late Lower and Middle Devonian in what now are Germany, Spain, Morocco and the United States (New York
Paraspirifer
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
Extinct genus of spore-bearing plants
known from anatomically preserved specimens described from the famous Early Devonian Rhynie chert and Windyfield chert in Aberdeenshire, Scotland. Asteroxylon
Asteroxylon
Extinct genus of trilobite
Evolution and Extinction in the Last Harpetid Trilobites During the Late Devonian (Frasnian)". Palaeontology. 52 (1): 11–33. Bibcode:2009Palgy..52...11M
Lioharpes
Northern landmass that formed part of the Pangaea supercontinent
the oldest known fossils from Greenland. Low sea-levels during the Early Devonian produced natural barriers in Laurussia which resulted in provincialism
Laurasia
Extinct genus of cartilaginous fishes
G.; Wilson, M. (1999). "Tetanopsyrus lindoei gen. et sp. nov., an Early Devonian acanthodian from the Northwest Territories, Canada". Acta Geologica
Tetanopsyrus
Genus of extinct trilobites
small to average sized, eyeless phacopid trilobite, that lived during the Devonian. The body of Ductina is small to average (up to 5 centimetres (2.0 in))
Ductina
Extinct genus of jawless fishes
philippovae is an extinct cyathaspidiform heterostracan agnathan from early Devonian marine strata of the Ural Mountains. Liliaspis was, at various times
Liliaspis
Order of arachnids
Dunlop, 2004 (Tetrophthalmi) – Early Devonian (Rhynie, Scotland) Brigantibunum listoni Dunlop, 2005 (Eupnoi?) – Early Carboniferous (East Kirkton, Scotland)
Opiliones
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
Extinct genus of bony fishes
Dialipina is an extinct genus of prehistoric marine bony fish from the Early Devonian. It is the only member of the order Dialipiniformes and the family Dialipinidae
Dialipina
Mountain building event caused by the collision of Laurentia, Baltica and Avalonia
Caledonian orogeny encompasses events that occurred from the Ordovician to Early Devonian, roughly 490–390 million years ago (Ma). It was caused by the closure
Caledonian_orogeny
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
Extinct genus of jawless fishes
known from fossils at the Wayne Hereford Quarry, of Early Devonian England, and of Podolia, Early Devonian Ukraine. It was originally described by Dr. Errol
Errivaspis
Extinct superfamily of jawless fishes
amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near the Taimyr Peninsula. In life, siberiaspids
Siberiaspidoidei
Early Devonian shark tooth structure
and Greek odon, meaning tooth) is the term for a common category of early Devonian shark known primarily for its "multi-cusped" tooth consisting of one
Cladodont
Second stage of the Devonian
The Pragian is one of three faunal stages in the Early Devonian Epoch. It lasted from 413.02 ± 1.91 million years ago to 410.62 ± 1.95 million years ago
Pragian
Extinct genus of jawless fishes
amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near the Taimyr Peninsula. In life, species of
Hibernaspis
Extinct genus of spore-bearing plants
plants found in the Posongchong Formation, Yunnan, China, which is of Early Devonian age (Pragian, around 413 to 411 million years ago). Plants consisted
Wenshania
Extinct order of jawless fishes
of extinct heterostracan agnathan fish known from the Silurian and Early Devonian periods. Fossils are predominantly known from Late Silurian fluvial
Traquairaspidiformes
Extinct group of jawless fishes
cyathaspid, Boothiaspis, of Lower Devonian Canada, was initially described as an amphiaspid. As mentioned earlier, Amphiaspidiformes is treated as either
Amphiaspidiformes
Extinct order of arachnids
Phalangiotarbida is an extinct arachnid order first recorded from the Early Devonian of Germany and most widespread in the Upper Carboniferous coal measures
Phalangiotarbida
Extinct genus of jawed vertebrates
Janusiscus schultzei is an extinct gnathostome vertebrate dating from the Early Devonian period in Siberia, approximately 415 million years ago. It may be the
Janusiscus
Devonian fossil of a plant-like thallose organism
Spongiophyton was a thallose fossil of the early to mid-Devonian, which is notoriously difficult to classify. Spongiophyton displayed dichotomous branching
Spongiophyton
Extinct genus of cartilaginous fishes
dorsal fin spine. Several fossils have been discovered from the Early (Lower) Devonian Period of Tillywhandland, Scotland. Two species were described,
Parexus
Extinct genus of jawless fishes
Europe from the late Silurian period until its extinction during the Early Devonian. A new species, A. arctata, was described by David K. Elliott and Sandra
Ariaspis
Clade of vertebrates
later forms specifically. Tetrapodomorph fossils are known from the early Devonian onwards, and include Osteolepis, Panderichthys, Kenichthys and Tungsenia
Tetrapodomorpha
Extinct genus of jawless fishes
is an extinct genus of heterostracan armoured jawless fish from the Early Devonian (approximately 416 - 397 mya). Drepanaspis are assumed to have lived
Drepanaspis
Extinct genus of fishes
extinct genus of very primitive marine lungfish which lived during the Early Devonian period. It contains a single species, D. speratus of Yunnan, China,
Diabolepis
First stage of the Devonian
the 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 plants
the Early to Middle Devonian (around 420 to 380 million years ago). It has been placed in the "trimerophytes", a strongly paraphyletic group of early members
Pertica
Dubious genus of reptiles
snake") is the name given to a dubious genus of lophotrochozoan from the Early Devonian Dniester Series of Podolia, Ukraine. It was described by Adalbert Zborzewsky
Macrodontophion
Extinct genus of ferns
Foozia was a genus of vascular Emsian (Lower Devonian) land plant with a main axis and a number of branches that sub-divide at most once. Some of these
Foozia
Form genus of extinct plants
Brazil, from the Early Devonian (Lochkovian, around 420 to 413 million years ago); and in Belgium from an outcrop of Early Devonian age (Lochkovian–Pragian
Psilophytites
Extinct order of fishes
soon after the owner's demise. Most fossils of rhenanids are from the Early Devonian, primarily in the United States and Germany. The recently discovered
Rhenanida
Paraphyletic infraphylum of fish
particularly "ostracoderms" reaching an apex of diversity during the Early Devonian, though they subsequently declined, with all non-cyclostome jawless
Agnatha
Extinct family of jawless fishes
amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near the Taimyr Peninsula. In life, all amphiaspidids
Olbiaspididae
Extinct family of jawless fishes
amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near the Taimyr Peninsula. In life, all amphiaspidids
Gabreyaspididae
Genus of trilobite
"Evolutionary and biogeographical patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935". Bulletin of the American Museum of Natural History. 232.
Coltraneia
Extinct order of jawless fishes
fossil remains primarily from Silurian to Early Devonian strata of Europe, and North America, and from Early Devonian marine strata of Siberia. Like their
Cyathaspidiformes
Extinct species of spore-bearing plant
Nothia was a genus of Early Devonian vascular plants whose fossils were found in the Rhynie chert in Scotland. It had branching horizontal underground
Nothia_aphylla
Armored jawless fish of the Paleozoic
the Early Devonian, subsequently declining afterwards during the Middle and Late Devonian, with the last species becoming extinct in the end-Devonian mass
Ostracoderm
Genus of extinct fish
Kujdanowiaspis is an extinct genus of arthrodire placoderm fish from the Early Devonian of Podolia (Ukraine), Poland and Spain. Kujdanowiaspis is known from
Kujdanowiaspis
Extinct class of basal arthropods
arthropods, which flourished during the Cambrian period and survived up to Early Devonian. Characterized by a pair of frontal appendages and series of body flaps
Dinocaridida
Extinct genus of fishes
enigmatic placoderm of arcane affinity. It is only known from the Lower Devonian Hunsrück slate of Germany. The genus is named after Erik Stensiö, the species
Stensioella
Extinct genus of arthropods
and type species, D. menneri, have been discovered in deposits of the Early Devonian period (Lochkovian epoch) in the Krasnoyarsk Krai, Siberia, Russia.
Dvulikiaspis
Extinct genus of spore-bearing plants
genus of extinct vascular plants of the Late Silurian (Ludfordian) to Early Devonian (Emsian), around 425 to 393 million years ago. The genus has a tangled
Distichophytum
Sampling bias in the fossil record raising difficulties to characterize extinctions
animals have been found in rocks from the Ordovician, Silurian, and Early Devonian periods, up to 100 million years after the Burgess Shale. The particular
Signor–Lipps_effect
Extinct genus of plants
Polythecophyton was a genus of Early Devonian (420 to 390 million years ago) aneurophyte with branching axes, drooping, many-branched sporangia, but no
Polythecophyton
Genus of fishes
Ranges Shield") is a placoderm with a flat, platypus-like snout from the Early Devonian of the Murrumbidgee Group in Australia. This unusual form indicated
Brindabellaspis
Extinct genus of spore-bearing plants
Danziella is a genus of extinct vascular plants of the Early Devonian (around 420 to 390 million years ago). Fossils found in the Artois region of northern
Danziella
Genus of Devonian trilobites
phacopid trilobite, of the family Acastidae, found in Lower to Middle Devonian age rocks from the Anti-Atlas Mountains of Morocco. All species of Walliserops
Walliserops
Water transport tissue in vascular plants
water-transport tubes are Silurian plants placed in the genus Cooksonia. The early Devonian pretracheophytes Aglaophyton and Horneophyton have structures very similar
Xylem
Group of Devonian geologic formations in New South Wales, Australia
The Murrumbidgee Group is an Early Devonian (Pragian–Emsian) geologic group located around the Burrinjuck Dam in Yass Valley LGA, New South Wales, Australia
Murrumbidgee_Group
Genus of trilobites
Hunsrück Germany. C. zofiae Chlupac, 1993, is known from the Middle or Upper Devonian of Poland (near the Givetian/Frasnian border, Holy Cross Mountains). C
Chotecops
genus of pteraspidid that lived during the Lochkovian stage of the Early Devonian epoch. Mitraspis cracens is known from the Drake Bay Formation of Prince
Mitraspis
Extinct superfamily of jawless fishes
amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near the Taimyr Peninsula. In life, the amphiaspidids
Amphiaspidoidei
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