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Ctenothrissiformes

Ctenothrissiformes is an extinct order of prehistoric acanthomorph ray-finned fish, known from the mid-late Cretaceous of Europe and the Middle East.

Taxonomy
Order Ctenothrissiformes Berg 1937 • FamilyAulolepidae Patterson 1964 • Genus †Aulolepis Agassiz 1836 non Geinitz 1849 • †A. reussi Geinitz 1849 • †A. typa Agassiz 1844 • Genus †Cyclolepis Geinitz 1868 non Gillies ex Don 1832 non Moquin-Tandon 1834 • †C. agassizi Geinitz 1868 • †C. stenodina Cockerell 1919 • FamilyCtenothrissidae Woodward 1901 • Genus †Heterothrissa Gaudant 1978 • †Heterothrissa signeuxae Gaudant 1978 • Genus †Ctenothrissa Woodward 1899 • †C. enigmatica Gaudant 1978 • †C. microcephala (Agassiz 1835-1838) [Beryx microcephalus Agassiz 1835-1838] • †C. protodorsalis Gaudant 1978 • †C. radians (Agassiz 1835-1838) [Beryx radians Agassiz 1835-1838] • †C. signifer Hay 1903 • †C. vexillifer (Pictet 1850) [Beryx vexillifer Pictet 1850] During the mid-20th century, it was briefly suspected that the ctenothrissiforms could be a Lazarus taxon that survived to the modern day, based on the discovery of specimens of the deep-sea fish "Macristium", which closely resembled the extinct Ctenothrissa. However, further discoveries of "Macristium" specimens proved that this genus actually represented the larval form of the aulopiform Bathysaurus, refuting the speculation over surviving ctenothrissiforms. ==Timeline of genera==
Timeline of genera
ImageSize = width:1000px height:auto barincrement:15px PlotArea = left:10px bottom:50px top:10px right:10px Period = from:-145.5 till:-65.5 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:10 start:-145.5 ScaleMinor = unit:year increment:1 start:-145.5 TimeAxis = orientation:hor AlignBars = justify Colors = #legends id:CAR value:claret id:ANK value:rgb(0.4,0.3,0.196) id:HER value:teal id:HAD value:green id:OMN value:blue id:black value:black id:white value:white id:mesozoic value:rgb(0.54,0.54,0.258) id:triassic value:rgb(0.51,0.17,0.57) id:earlytriassic value:rgb(0.6,0.22,0.61) id:middletriassic value:rgb(0.73,0.53,0.71) id:latetriassic value:rgb(0.78,0.65,0.8) id:jurassic value:rgb(0.2,0.7,0.79) id:earlyjurassic value:rgb(0,0.69,0.89) id:middlejurassic value:rgb(0.52,0.81,0.91) id:latejurassic value:rgb(0.74,0.89,0.97) id:cretaceous value:rgb(0.5,0.78,0.31) id:earlycretaceous value:rgb(0.63,0.78,0.65) id:latecretaceous value:rgb(0.74,0.82,0.37) BarData= bar:eratop bar:space bar:periodtop bar:space bar:NAM1 bar:NAM2 bar:NAM3 bar:NAM4 bar:NAM5 bar:NAM6 bar:NAM7 bar:NAM8 bar:space bar:period bar:space bar:era PlotData= align:center textcolor:black fontsize:M mark:(line,black) width:25 shift:(7,-4) bar:periodtop from: -145.5 till: -140.2 color:earlycretaceous text:Berri. from: -140.2 till: -136.4 color:earlycretaceous text:Valan. from: -136.4 till: -130 color:earlycretaceous text:Hauterivian from: -130 till: -125 color:earlycretaceous text:Barrem. from: -125 till: -112 color:earlycretaceous text:Aptian from: -112 till: -99.6 color:earlycretaceous text:Albian from: -99.6 till: -93.5 color:latecretaceous text:Ceno. from: -93.5 till: -89.3 color:latecretaceous text:Turon. from: -89.3 till: -85.8 color:latecretaceous text:Con. from: -85.8 till: -83.5 color:latecretaceous text:S. from: -83.5 till: -70.6 color:latecretaceous text:Campanian from: -70.6 till: -65.5 color:latecretaceous text:Maas. bar:eratop from: -145.5 till: -99.6 color:earlycretaceous text:Early Cretaceous from: -99.6 till: -65.5 color:latecretaceous text:Late Cretaceous PlotData= align:left fontsize:M mark:(line,white) width:5 anchor:till align:left color:latecretaceous bar:NAM1 from:-99.6 till:-93.5 text:Protriacanthus color:latecretaceous bar:NAM2 from:-95.5 till:-93.5 text:Aulolepis color:latecretaceous bar:NAM3 from:-95.5 till:-93.5 text:Heterothrissa color:latecretaceous bar:NAM4 from:-95.5 till:-93.5 text:Humilichthys color:latecretaceous bar:NAM5 from:-95.5 till:-93.5 text:Pateroperca color:latecretaceous bar:NAM6 from:-95.5 till:-93.5 text:Pattersonichthys color:latecretaceous bar:NAM7 from:-95.5 till:-93.5 text:Phoenicolepis color:latecretaceous bar:NAM8 from:-95.5 till:-89.3 text:Ctenothrissa PlotData= align:center textcolor:black fontsize:M mark:(line,black) width:25 bar:period from: -145.5 till: -140.2 color:earlycretaceous text:Berri. from: -140.2 till: -136.4 color:earlycretaceous text:Valan. from: -136.4 till: -130 color:earlycretaceous text:Hauterivian from: -130 till: -125 color:earlycretaceous text:Barrem. from: -125 till: -112 color:earlycretaceous text:Aptian from: -112 till: -99.6 color:earlycretaceous text:Albian from: -99.6 till: -93.5 color:latecretaceous text:Ceno. from: -93.5 till: -89.3 color:latecretaceous text:Turon. from: -89.3 till: -85.8 color:latecretaceous text:Con. from: -85.8 till: -83.5 color:latecretaceous text:S. from: -83.5 till: -70.6 color:latecretaceous text:Campanian from: -70.6 till: -65.5 color:latecretaceous text:Maas. bar:era from: -145.5 till: -99.6 color:earlycretaceous text:Early Cretaceous from: -99.6 till: -65.5 color:latecretaceous text:Late Cretaceous • ==References==
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