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Leptocylindrus minimus Leptocylindrus danicus Stephanopyxis palmeriana Stephanopyxis nipponica Podosira stelligera Melosira cf. octogona Melosira varians Aulacoseira alpigena Aulacoseira subarctica Aulacoseira islandica Aulacoseira skvortzowii Aulacoseira baicalensis Aulacoseira valida Aulacoseira ambigua Aulacoseira granulata Aulacoseira distans Aulacoseira nyassensis Aulacoseira crenulata Coscinodiscus radiatus Coscinodiscus granii Stellarima microtrias Actinocyclus curvatulus Actinocyclus actinochilus Actinoptychus sinensis Corethron inerme Corethron criophilum Guinardia flaccida Guinardia solstherfothii Rhizosolenia fallax Rhizosolenia shrubsolei Guinardia delicatula Rhizosolenia imbricata Rhizosolenia similoides Rhizosolenia pungens Rhizosolenia setigera Proboscia alata Proboscia indica Eucampia antarctica Eucampia zodiacus Chaetoceros debilis Chaetoceros muellerii Chaetoceros socialis Chaetoceros rostratus Chaetoceros didymus Chaetoceros calcitrans Porosira glacialis Porosira pseudodenticulata Lauderia borealis Conticribra weissflogii Conticribra guillardii Skeletonema pseudocostatum Skeletonema grethae Skeletonema marinoi Skeletonema dohrnii Skeletonema menzelii Skeletonema subsalsum Thalassiosira pseudonana Thalassiosira oceanica Detonula confervacea Cyclotella cryptica Cyclotella meneghiniana Cyclotella cf. scaldensis G8W8 Planktoniella sol Thalassiosira tenera Thalassiosira curviseriata Thalassiosira profunda Thalassiosira aestivalis Thalassiosira nordenskioeldii Thalassiosira anguste-lineata Thalassiosira punctigera Thalassiosira rotula Thalassiosira eccentrica Thalassiosira minima Thalassiosira tumida Thalassiosira delicatula Thalassiosira concaviuscula Minidiscus trioculatus Stephanodiscus hantzschii Papiliocellulus elegans Minutocellus polymorphus Cymatosira belgica Biddulphia Odontella aurita Pleurosira laevis Trieres chinensis Helicotheca tamesis Mediopyxis helysia Lithodesmium undulatum Bellerochea malleus Ditylum brightwellii Biddulphiopsis titiana Rhizosolenia robusta Delphineis Rhaphoneis belgicae Asterionellopsis glacialis Asterionella japonica Asterionellopsis kariana Talaroneis posidoniae Diatoma hyemalis Diatoma tenuis Asterionella formosa Hyalosira delicatula Asterionella glacialis Grammatophora Rhabdonema Fragilaria construens Nanofrustulum shiloi Licmophora communis Licmophora flabellata Licmophora abbreviata Licmophora gracilis Licmophora juergensii Ulnaria ulna Grammonema cf. islandica Grammonema striatula Synedropsis cf. recta Synedra hyperborea Fragilariforma virescens Fragilaria crotonensis Thalassionema nitzschioides Tabularia tabulata Cyclophora tenuis Striatella unipunctata Nitzschia amphibia Nitzschia inconspicua Nitzschia supralitorea Fragilariopsis cylindrus Stauroneis constricta Fragilariopsis sublineata Pseudo-nitzschia pungens Pseudo-nitzschia multiseries Nitzschia fonticola Nitzschia dissipata Undatella Navicula sclesviscensis Navicula veneta Pseudogomphonema Navicula phyllepta Navicula ramosissima Navicula diserta Haslea ostrearia Haslea pseudostrearia Haslea nipkowii Haslea crucigera Pleurosigma planktonicum Pleurosigma intermedium Gyrosigma limosum Diadesmis gallica Phaeodactylum tricornutum Planothidium lanceolatum Achnanthidium minutissimum Cocconeis cf. molesta Gomphonema parvulum Gomphonema pseudaugur Encyonema triangulatum Lyrella Anomoeoneis sphaerophora Dickieia ulvacea Pauliella taeniata Fistulifera saprophila Fistulifera pelliculosa Eolimna subminuscula Amphora montana Amphora cf. capitellata Surirella brebissonii Surirella angusta Cymatopleura elliptica Surirella fastuosa Amphiprora paludosa Entomoneis Amphiprora alata Amphora cf. proteus Pinnularia rupestris Amphora coffeiformis Sellaphora laevissima Sellaphora pupula Eolimna minima Rossia Mayamaea atomus Eunotia bilunaris Eunotia formica Eunotia monodon Eunotia pectinalis Achnanthes cf. longipes Achnanthes brevipes Achnanthes bongranii Nitzschia linearis Psammodictyon panduriforme Nitzschia longissima Cylindrotheca fusiformis Cylindrotheca closterium Tryblionella apiculata Nitzschia vitrea Nitzschia filiformis Nitzschia frustulum Nitzschia thermalis Nitzschia pusilla Nitzschia palea Nitzschia communis Nitzschia paleaeformis Nitzschia acicularis Nitzschia sigma Bacillaria paxillifer Attheya septentrionalis Attheya longicornis Lampriscus kittonii Toxarium undulatum Paralia sol Bolidomonas
0 60 120 180 250 Time (MYA)
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