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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
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
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
113864. Valentine, J. L.; Mathieson, D. K.; Simpson, A. J. (2026). "Early Devonian (Lochkovian–Pragian) linguliform brachiopods from the Cobar Supergroup
2026_in_paleontology
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
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
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
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 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 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
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
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 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
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
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
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
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
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
Turner, Susan; Desbiens, Sylvain; Miller, Randall F. (2008-08-01). "Early Devonian putative gyracanthid acanthodians from eastern Canada". Canadian Journal
List_of_acanthodian_genera
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
Small eight-legged arthropod
acariform mites are from the Rhynie Chert, Scotland, which dates to the early Devonian, around 410 million years ago while the earliest fossils of Parasitiformes
Mite
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
Lungfish
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
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
Subphylum of arthropods
the Late Silurian and Early Devonian, with Pneumodesmus preserving the earliest known evidence of air-breathing on land. Other early myriapod fossil species
Myriapoda
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 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
Clade of vertebrates
http://tolweb.org/ Swartz, B. (2012). "A marine stem-tetrapod from the Devonian of Western North America". PLOS ONE. 7 (3) e33683. Bibcode:2012PLoSO..
Rhipidistia
Subphylum of arthropods
possible insect fossil, Strudiella devonica, has been recovered from the Devonian period. This fossil may help to fill the arthropod gap from 385 million
Hexapoda
Kingdom of organisms
Cross-section of a stem of Rhynia, an early land plant, preserved in Rhynie chert from the early Devonian By the Devonian, plants had adapted to land with
Plant
Extinct genus of jawless fishes
heterostracan. Its fossils are restricted to early Devonian-aged marine strata of the Taimyr Peninsula, Early Devonian Siberia. E. bystrowi, as with all other
Edaphaspis
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
Class of extinct, Paleozoic arthropods
and remained diverse during the following Silurian and early Devonian. During the mid-late Devonian, their diversity strongly declined, being impacted by
Trilobite
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
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
Genus of millipedes
2017 study dates its occurrence based on zircon data analysis as the Early Devonian (Lochkovian). Although the 2023 study confirmed the age identification
Pneumodesmus
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 nautiloids
either Brevicoceratidae or Acleistoceratidae of the order Oncocerida early in the Devonian. Rutoceratidae comprise a family within the oncocerid superfamily
Rutoceratidae
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
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 fishes
Phymolepis is an extinct genus of yunnanolepidid placoderm from the Early Devonian of China. The type species, P. cuifengshanensis, was named by Zhang
Phymolepis
Extinct genus of spiders
1923) – Early Devonian, Scotland Palaeocharinus hornei (Hirst, 1923) – Early Devonian, Scotland Palaeocharinus kidstoni (Hirst, 1923) – Early Devonian, Scotland
Palaeocharinus
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 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 trilobites
phacopid trilobite, of the family Acastidae, found in Lower to Middle Devonian age rocks from Algeria and Morocco. Originally described from an isolated
Erbenochile
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
Genus of fishes (fossil)
heterostracan agnathan which existed during the Pragian epoch of the early Devonian period in what is now Podolia, Ukraine. It is known primarily from a
Palanasaspis
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
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
Microcontinent in the Paleozoic era
Ordovician magmatism peaked between 457 and 449 Ma. In the late Silurian- Early Devonian, there was the Acadian orogeny in which Western Avalonia collided with
Avalonia
Clade of vertebrates
later forms specifically. Tetrapodomorph fossils are known from the early Devonian onwards, and include Osteolepis, Panderichthys, Kenichthys and Tungsenia
Tetrapodomorpha
Extinct land plant genus
Guangnania was a genus of Early Devonian land plant with branching axes. It is thought to be related to the zosterophylls. Wang, D. (2002). "Guangnania
Guangnania
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 Acanthodian fish
lived during the Silurian to Devonian periods. Three species of Xylacanthus are known, X. kenstewarti from Late Wenlock to Early Ludlow from the Mackenzie
Xylacanthus_(fish)
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 jawless fish
of Norway. The genus lived during the Pragian to Emsian ages of the Early Devonian period. Doryaspis is distinguished from other pteraspidiforms by several
Doryaspis
Extinct order of basal arthropods
members include the subfamily Aegirocassisinae from the Early Ordovician of Morocco and the Early Devonian member Schinderhannes bartelsi from Germany. The name
Radiodonta
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
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
Final Series (Epoch) of the Silurian
and precedes the Lochkovian, the earliest of three ages within the Early Devonian geological epoch. It is named after one locality at the Homolka a Přídolí
Pridoli_Epoch
Class of arthropods
wingless insect is Leverhulmia from the Windyfield chert, dating to the early Devonian. The oldest known flying insects are from the mid-Carboniferous, around
Insect
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
Phylum of worms
gen. n., sp. n. (Nematoda: Palaeonematidae fam. n.), a Devonian nematode associated with early land plants". Nematology. 10 (1): 9–14. Bibcode:2008Nemat
Nematode
Extinct genus of cartilaginous fish
Doliodus is an extinct genus of cartilaginous fish known from the Early Devonian period of what is now New Brunswick, Canada. It includes a single named
Doliodus
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
Organism belonging to kingdom Fungi
organism of the late Silurian and early Devonian. Fungal fossils do not become common and uncontroversial until the early Devonian (416–359.2 Ma), when they occur
Fungus
Symbiosis of fungi with algae
is permineralized in the Rhynie Chert of Scotland, dating from early Early Devonian, about 400 million years ago. The slightly older fossil Spongiophyton
Lichen
Order of arachnids
Dunlop, 2004 (Tetrophthalmi) – Early Devonian (Rhynie, Scotland) Brigantibunum listoni Dunlop, 2005 (Eupnoi?) – Early Carboniferous (East Kirkton, Scotland)
Opiliones
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 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 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
Phylum of algae
all except the conifers and flowering plants. Fossil stoneworts of early Devonian age that are similar to those of the present day have been described
Charophyta
Class of jawed cartilaginous fish
spiny sharks and early cartilaginous fish. The modern bony fishes, class Osteichthyes, appeared in the late Silurian or early Devonian, about 416 million
Chondrichthyes
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 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 genus of cartilaginous fishes
'gradation') is an extinct genus of spiny shark. This genus is known from the Early Devonian (Lochkovian) of Europe, previously considered Silurian remains actually
Climatius
Genus of jawless fishes
Bulletin 34, pp. 63–69. Elliott, David K., and Robert R. Ilyes. "New Early Devonian pteraspidids (Agnatha, Heterostraci) from Death Valley National Monument
Blieckaspis
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
Geological fault in Scotland
Baltic tectonic plates at the end of the Silurian continuing into the Early Devonian (likely age range 430–390 Ma (million years)). The movement at that
Great_Glen_Fault
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
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
Devonian are a typical example. There is strong evidence for significant magmatic activities in Late Paleozoic–Early Mesozoic (Early Permian to Early
Geology_of_Iran
Extinct class of arthropods
Marrellomorpha are an extinct group of arthropods known from the Cambrian to the Early Devonian. It is divided into two major groups, Marrellida and Acercostraca. They
Marrellomorpha
Group of cartilaginous fish
closest relatives, elasmobranchs such as sharks and rays, during the Early Devonian or the Silurian Period. Extinct holocephalans are typically divided
Holocephali
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
Group of extinct jawless vertebrates
an extinct group of jawless fish that existed from the early Silurian period to the late Devonian period. They were classically regarded as the ancestors
Anaspida
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 genus of jawless fishes
lived in the Devonian period. Fourteen different species of Boreaspis have been found in sandstone of the lagoons and estuaries of Devonian Spitsbergen;
Boreaspis
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 vertebrates
freshwater fish, which lived in East Asia from the Telychian to the Lower Devonian period. The order was first named by Lui in 1965. An analysis by Zhang
Eugaleaspidiformes
Extinct genus of spider-like arachnids
also come to mean spider, as in cobweb.[citation needed] An important Early Devonian (about 390 million years ago) fossil example from Gilboa, New York,
Attercopus
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
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
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
species of Waengsjoeaspis (Cephalaspidomorpha, Osteostraci) from the Early Devonian of northwestern Canada, with a redescription of W. nahanniensis and
2012_in_paleoichthyology
Extinct order of molluscs
freshwater. Some studies suggested that they colonised freshwater in the Early Devonian, whereas others suggest that microconchids never colonised that environment
Microconchida
Type of lung commonly found in arachnids
Scholtz, Gerhard; Kerp, Hans; Hass, Hagen (2008). "Microanatomy of early Devonian book lungs". Biology Letters. 4 (2). London, UK: Royal Society: 212–215
Book_lung
Family of vascular plants
species. This family originated about 380 million years ago in the early Devonian, though the diversity within the family has been much more recent. "Wolf
Lycopodiaceae
Extinct genus of jawless fishes
is an extinct genus of conodont from the Early Devonian (Emsian). The phylomorphogenesis of some Early Devonian platform conodonts. IA Bardashev, K Weddige
Eolinguipolygnathus
EARLY DEVONIAN
EARLY DEVONIAN
Boy/Male
English American Anglo Saxon
Noble leader.
Girl/Female
Scandinavian American German
Womanly; strength. Feminine of Karl.
Boy/Male
English
From the march meadow.
Male
English
 Aristocratic title transferred to byname and finally to forename, from Old English eorl, EARL means "nobleman, prince, warrior."
Female
English
Variant spelling of English Marlie, MARLY means "rebel of Magdala."Â
Boy/Male
Gaelic
Manly.
Female
English
Variant spelling of English Carlie, CARLY means "man."
Female
English
Variant spelling of English Carly, KARLY means "man."
Girl/Female
British, English
Feminine of Earl; Noblewoman; Leader
Girl/Female
German American Teutonic
Germanic form of Charles, meaning: a man.
Boy/Male
American, British, English
Noble Leader
Boy/Male
Gaelic
Small champion.
Surname or Lastname
English
English : variant spelling of Earl.
Girl/Female
Greek, Hindu, Indian
Form of Pearl; A Gem of the Sea
Surname or Lastname
English
English : variant spelling of Earl.
Surname or Lastname
English
English : from Earl with genitive -s, probably referring to a servant or retainer of a particular earl.
Boy/Male
English
From the bull's pasture.
Male
English
Variant spelling of English Earl, EARLE means "nobleman, prince, warrior."
Surname or Lastname
Irish
Irish : translation of Gaelic Ó Mocháin (see Mohan; Gaelic moch means ‘early’ or ‘timely’), or of some other similar surname, for example Ó Mochóir, a shortened form of Ó Mochéirghe, Ó Maoil-Mhochéirghe, from a personal name meaning ‘early rising’.English : habitational name from any of various places, such as Earley in Berkshire and Arley in Cheshire, Lancashire, Warwickshire, and Worcestershire, which derive their names from Old English earn ‘eagle’ + lēah ‘woodland clearing’.English : nickname from Old English eorllīc ‘manly’, ‘noble’, a derivative of eorl (see Earl).Americanized spelling of German Ehrle.
Girl/Female
Hindu
Pearl Pearly just similar to Pearl
EARLY DEVONIAN
EARLY DEVONIAN
Male
Dutch
, warrior power, or, army wielder.
Boy/Male
American, Arabic, Australian, British, Chinese, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hawaiian, Hebrew, Latin, Muslim, Portuguese, Spanish, Swedish, Swiss
The Lord is Good; From the Hebrew Tobiah Jah is Good; Goodness of God; God is Good
Girl/Female
Tamil
Best, The Goddess who is above the five elements
Girl/Female
Indian, Punjabi, Sikh
Benevolent
Boy/Male
American, British, English
Steward
Female
French
Variant spelling of French Sylvaine, SYLVIANE means "from the forest."
Male
Swedish
Variant spelling of Swedish Åsbjörn, ASBJÖRN means "divine-bear."
Girl/Female
Tamil
Padmashri | பதà¯à®®à®·à¯à®°à¯€
Divine lotus
Girl/Female
Biblical
My field, my vine.
Female
English
Scottish diminutive form of Latin Alexandra, SAUNDRA means "defender of mankind."
EARLY DEVONIAN
EARLY DEVONIAN
EARLY DEVONIAN
EARLY DEVONIAN
EARLY DEVONIAN
adv.
Early; soon.
adv.
Early.
a.
Happening, accruing, or coming every year; annual; as, a yearly income; a yearly feast.
adv.
Soon; in good season; seasonably; betimes; as, come early.
a.
Lasting a year; as, a yearly plant.
adv.
In a dear manner; with affection; heartily; earnestly; as, to love one dearly.
n.
A nobleman of England ranking below a marquis, and above a viscount. The rank of an earl corresponds to that of a count (comte) in France, and graf in Germany. Hence the wife of an earl is still called countess. See Count.
a.
Resembling pearl or pearls; clear; pure; transparent; iridescent; as, the pearly dew or flood.
a.
Early.
a.
Accomplished in a year; as, the yearly circuit, or revolution, of the earth.
a.
Early; timely; seasonable.
adv.
In advance of the usual or appointed time; in good season; prior in time; among or near the first; -- opposed to late; as, the early bird; an early spring; early fruit.
adv.
Early; soon.
a.
Seasonable; timely; sufficiently early.
v.
Early fruit or vegetables; especially, early pease.
adv.
Coming in the first part of a period of time, or among the first of successive acts, events, etc.
adv.
Early; soon; betimes.
a.
Containing pearls; abounding with, or yielding, pearls; as, pearly shells.
a.
Developing too early; premature.
adv.
Annually; once a year to year; as, blessings yearly bestowed.