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[[Category:Devonian fish]] [[Category:Extant Late Devonian first appearances]] ...

| fossil_range = [[Silurian]] - Early [[Devonian]] ...ertoni cast.jpg|left|thumb|''[[Athenaegis|Athenaegis chattertoni]]'' cast, middle [[Silurian]], [[Road River Formation]], [[Mackenzie Mountains]], [[Northwes ...

| fossil_range = middle [[Silurian]] - early [[Devonian]] ...udcrack]]s or shelly [[packstone]]s, generally mid-[[Silurian]] to early-[[Devonian]] in age. ...

| fossil_range = {{fossilrange |393.3|382.7}} [[Middle Devonian]] ...[Marine habitat|marine]], [[River delta|deltaic]] environments of [[Middle Devonian]] [[Australia]] (about 393.3—382.7 Ma). They are known only by two [[specie ...

...s fish]]. It lived from the [[Lochkovian]] to [[Eifelian]] epochs of the [[Devonian]] period in what is now Brazil ([[Eifelian]] [[Maecuru Formation]]), Britai ...sher=University of Leicester |date=2009-07-03 |degree=thesis |language=en |first=Benjamin Evan |last=Davies}}</ref> ...

| fossil_range = Early [[Devonian]] ...id K. Elliott. "Phylogeny of the Pteraspidiformes (Heterostraci), Silurian–Devonian jawless vertebrates." Zoologica Scripta 37.4 (2008): 391-403.</ref> and tha ...

...rica. The youngest rhenanid, ''[[Jagorina pandora]]'' is known from Upper Devonian Germany. ...inidae, are considered synonyms.<ref name=Denison>{{cite book|last=Denison|first=Robert|title=Handbook of Paleoichthyology, Volume 2, Placodermi|year=1978|p ...

| fossil_range = {{fossil range | Early Ordovician | Late Devonian | ref=<ref name="Traverse2007">{{Cite book | last1 = Traverse | first1 = A. | image_caption = Tentaculitids from the [[Devonian]] of [[Maryland]]. ...

| fossil_range = {{Geological range|Lochkovian|Frasnian|[[Devonian]]:<br/>[[Lochkovian]] - [[Frasnian]]}} ...us of extinct plants of the division [[Lycopodiophyta]] of Early to Late [[Devonian]] age (around {{Period span/brief|Lochkovian|Frasnian|-1}}), found in Easte ...

...t=411|407|231|latest = 0}}[[Pragian]] (questionable) or early [[Emsian]] – Middle [[Carnian]] <br> <small>Possible descendant taxon [[Coleoidea]] survives to ...ted until the [[Carnian Pluvial Event|Carnian pluvial event]] in the upper middle [[Carnian]] stage of the [[Triassic]] period (231 million years ago). They ...

| fossil_range = {{fossil range|390|251.4}}[[Middle Devonian]] – [[Late Permian]] ...(around [[Eifelian]] stage). Goniatites (goniatitids) survived the [[Late Devonian extinction]] to flourish during the [[Carboniferous]] and [[Permian]] only ...

| fossil_range = {{fossil range|Katian|Devonian}} | image = Drotops armatus, Middle Devonian, Bou DOb Formation, Jbel Issoumour & Jbel Mrakib, MaOder Region, Morocco - ...

| fossil_range = {{Fossil range|392|359}}<small>Middle - Late [[Devonian]]</small> ...[[Devonian]]. They first appeared in the [[Eifelian]] stage of the Middle Devonian. Within the group sizes ranged from a few tens of centimeters (''[[Tristich ...

...n event. Both the impunctate and punctate survived through to the early [[Devonian]] Eventually, though, only the punctate lived on, and would play a minor r ...ht|''[[Tropidoleptus]] carinatus'', an orthid brachiopod from the [[Middle Devonian]] of [[New York (state)|New York]].]] ...

...[[Ordovician#Subdivisions|Late Ordovician]]–[[Devonian#Subdivisions|Middle Devonian]], {{Fossil range|449.5|376.1|ref=<ref name=FWDalmanites>[https://paleobiod ...]. They lived from the [[Ordovician|Late Ordovician]] to [[Devonian|Middle Devonian]].<ref name=FWDalmanites /> ...

| fossil_range = {{fossilrange|Middle Ordovician|Permian|earliest=Middle Cambrian|[[Ordovician]] - [[Permian]]}} ...al |location= Philadelphia, PA|page= 1010|isbn= 0-03-056747-5}}</ref> They first appear, along with many other echinoderm classes, in the [[Ordovician]] per ...

...rn Russia.JPG|thumb|''Ladogia'' sp., a rhynchonellid brachiopod from the [[Devonian]] of western [[Russia]] (side view).]] ...e was an important evolutionary innovation, '''rhynchonellids''' being the first truly non-strophic shells with a purely internal articulation (teeth-socket ...

...10.1098/rspb.2014.2245 | pmid=25520359 | pmc=4298210}}</ref>&ndash;[[Late Devonian]], {{fossilrange|433|359}} ...ca, Europe and Russia from the [[Wenlock epoch|Middle Silurian]] to [[Late Devonian]]. ...

| fossil_range = {{fossil range|Middle Ordovician|Permian|[[Ordovician]]–[[Permian]]}} ...reolasma|Stereolasma rectum]]'', a rugose coral from the [[Devonian|Middle Devonian]] of Erie County, New York]] ...

| fossil_range = {{Fossil range|Devonian|Recent}} ...stral Rutoceratidae, to the Trigonocerataceae and Clydonautiliaceae in the Devonian and to the Aipocerataceae early in the Carboniferous. The Trigonocerataceae ...