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CLASS OPALINIDEA
ORDER OPALINALES.
Opalina, Protopalina, Zelleriella.
CLASS LABYRINTHULOMORPHEA
ORDER LABYRINTHALES.
Labyrinthula, Labyrinthuloides, Labyrinthulomyxa, Labyrinthorhiza.
CLASS THRAUSTOCHYTRIDEA
ORDER THRAUSTOCHYTRIDIALES.
Thraustochytrium, Japonochytrium, Schizochytrium, Aplanochytrium.
CLASS BICOSOECIDEA
ORDER BICOSOECALES.
Bicosoeca, Salpingoeca, Diplosigopsis, Histiona, Poteriodendron, Codonoeca, Lagenoeca, Stelexomonas.
CLASS OOMYCOTEA
ORDER SAPROLEGNIALES
Saprolegnia, Achlya, Dictyuchus, Leptolegnia, Aphanomyces.
ORDER LEPTOMITALES
Leptomitus, Apodachlya.
ORDER LAGENIDALES
Lagenidium.
ORDER PERONOSPORALES
Peronospora, Albugo, Phytophthora, Pythium, Plasmopara.
CLASS HYPHOCHYTRIDEA
ORDER HYPHOCHYTRIALES
Hyphochytrium, Rhizidiomyces, Anisolpidium, Canteriomyces, Latrostium.
CLASS CHRYSOMONADEA
ORDER OCHROMONADALES
Ochromonas, Chromulina, Mallomonas, Uroglena, Uroglenopsis, Anthophysa, Paraphysomonas, Dinobryon, Styployxis, Synura.
ORDER PHEASTERIALES (CHRYSOCAPSALES)
Phaeaster, Gloeochrysis.
ORDER CHRYSOSPHAERIALES
Chrysosphaera, Chrysosphaerella, Chrysococcus, Phaeobotrys, Stichogloea.
ORDER PHAEOTHAMNIALES
Phaeothamnion, Sphaeridiothrix, Apistonema.
ORDER SARCINOCHRYSINALES
Sarcinochrysis, Pulvinaria, Olisthodiscus, Ankylonoton, Phaeosaccion, Giraudyopsis.
ORDER RHIZOCHRYSINALES (CHRYSAMOEBIDALES)
Rhizochrysis, Chrysamoeba.
ORDER PEDINELLALES
Pedinella, Pseudopedinella, Apedinella.
CLASS SILICOMONADEA
ORDER DICTYOCHALES.
Dictyocha, Distephanus (?).
CLASS ACTINOPHRYIDEA
ORDER ACTINOPHRYIDALES.
Actinophrys, Actinosphaerium, Echinosphaerium (?), Camptonema (?).
CLASS RAPHIDIOPHYTEA
ORDER, GONYOSTOMITALES.
Gonyostomum, Vacuolaria, Chattonella, Fibrocapsa, Heterosigma, Haramonas, Olisthodiscus, Metrotricha.
PHYLUM XANTHOPHYTA (Pr-14)
CLASS XANTHOPHYTEA
ORDER HETEROCHLORINALES
Heterochloris, Chloromeson, Chlamydomyxa.
ORDER HETEROGLOEALES
Heterogloea, Gloeochloris, Characidiopsis.
ORDER MISCHOCOCCINALES
Mischococcus, Botrydiopsis, Botryochloris, Characiopsis, Ophiocytium, Bumilleriopsis.
ORDER TRIBONEMATALES
Tribonema, Bumilleria, Heterothrix.
ORDER VAUCHERIALES
Vaucheria, Botrydium.
CLASS EUSTIGMATOPHYTEA
ORDER EUSTIGMATALES.
Eustigmatos, Vischeria, Chlorobotrys, Ellipsoidion, Pleurochloris, Polyedriella, Pseudocharaciopsis.
SUBCLASS THALASSIOSIROPHYCIDAE
ORDER THALLASIOSIRALES
Thalassiosiraceae: Thalassiosira, Planktoniella, Porosira, Minidiscus, Bacteriosira (?)
Skeletonemataceae: Skeletonema, Detonula
Stephanodiscaceae: Stephanodiscus, Cyclotella, Cyclostephanos, Mesodictyon, Pleurocyclus, Stephanocostis
Lauderiaceae: Lauderia
SUBCLASS COSCINODISCOPHYCIDAE
ORDER CHRYSANTHEMODISCALES
Chrysanthemodiscaceae: Chrysanthemodiscaceae
ORDER MELOSIRALES
Melosiraceae: Melosira
Stephanopyxidaceae: Stephanopyxis
Endictyaceae: Entdictya
Hyalodiscaceae: Hyalodiscus, Podosira
ORDER PARALIALES
Paraliaceae: Paralia, Ellerbeckia
ORDER AULACOSEIRALES
Aulacoseiraceae: Aulicoseira, Strangulonema
ORDER ORTHOSEIRALES
Orthoseiraceae: Orthoseira
ORDER COSCINODISCALES
Coscinodiscaceae: Coscinodiscus, Palmeria, Stellarima, Brightweillia, Craspedodiscus
Rocellaceae: Rocella
Aulacodiscaceae: Aulacodiscus
Gossleriellaceae: Gossleriella
Hemidiscaceae: Hemidiscus, Actinocyclus, Azpeitia, Roperia
Heliopeltaceae: Actinoptychus, Glorioptychus, Lepidodiscus
ORDER ETHMODISCALES
Ethmodiscaceae: Ethmodiscus
ORDER STICTOCYCLALES
Stictocyclaceae: Stictocyclus
ORDER ASTEROLAMPRYALES
Asteriolampraceae: Asteriolampra, Asteriomphalus
ORDER ARACHNOIDISCALES
Arachnoidiscaceae: Arachnoidiscus
ORDER STICTODISCALES
Stictodiscaceae: Stictodiscus
SUBCLASS BIDDULPHIOPHYCIDAE
ORDER TRICERATIALES
Triceratiaceae: Triceratium, Odontella, Lampriscus, Sheshukovia, Pseudoauliscus, Eupodiscus, Pleurosira, Amphitetras, Ceratulus, Auliscus
Plagiogrammaceae: Plagiogramma, Glyphodesmis, Dimeregramma, Dimeregrammopsis
ORDER BIDDULPHIALES
Biddulphiaceae: Biddulphia, Biddulphiopsis, Hydrosera, Isthmia, Trigonium, Terpsinoe, Pseudotriceratium
ORDER HEMIAULALES
Hemiaulaceae: Hemiaulus, Eucampia, Climacodium, Cerataulina, Trinacria, Abas, Briggera, Pseudorutilaria, Keratophora, Kittonia, Strelnikovia, Reidelia, Baxteriopsis, Sphynctolethus, Ailuretta
Streptothecaceae: Streptotheca, Neostreptotheca
ORDER ANAULALES
Anaulaceae: Anaulus, Eunotogramma, Porpeia
SUBCLASS LITHODESMIOPHYCIDAE
ORDER LITHODESMIALES
Lithodesmiaceae: Lithodesmium, Lithodesmoides, Ditylum
SUBCLASS CORETHROPHYCIDAE
ORDER CORETHRALES
Corethraceae: Corethron
SUBCLASS CYMATOSIROPHYCIDAE
ORDER CYMATOSIRALES
Cymatosiraceae: Cymatosira, Campylosira, Plagiogrammopsis, Brockmanniella, Minutocellus, Leyanella, Arcocellulus, Papiliocellulus, Exubocellulus
Rutilariaceae: Rutilaria, Sydetocystis
SUBCLASS RHIZOSOLENIOPHYCIDAE
ORDER RHIZOSOLENIALES
Rhizosoleniaceae: Rhizosolenia, Proboscia, Pseudosolenia, Urosolenia, Guinardia, Dactyliosolen
Pyxillaceae: Pyxilla, Gladius, Gyrodiscus, Mastogonia, Purgupyxis
SUBCLASS CHAETOCEROTOPHYCIDAE
Valve having setae from small depressions
ORDER CHAETOCEROTALES
Chaetocerotaceae: Chaetoceros, Gonioceros, Bacteriastrum
Acanthocerataceae: Acanthoceros
Attheyaceae: Attheya
ORDER LEPTOCYLINDRALES
Leptocylindraceae: Leptocylindrus
CLASS FRAGILARIOPHYCEAE
SUBCLASS FRAGILARIOPHYCIDAE
ORDER FRAGILARIALES
Fragilariaceae: Fragilaria, Centronella, Asterionella, Staurosirella, Staurosira, Pseudostaurosira, Punctastriata, Fragilariaforma, Martyana, Diatoma, Hannaea, Meridion, Synedra, Ctenophora, Neosynedra, Tabularia, Catacombas, Hyalosynedra, Opephora, Trachysphenia, Thalassioneis, Falcula, Pterncola, Asterionellopsis, Bleakeleya, Podocystis
ORDER TABELLARIALES
Tabellariaceae: Tabellaria, Tetracyclus, Oxyneis
ORDER LICMOPHORALES
Licmophoraceae: Licmophora, Licmosphenia
ORDER RHAPHONEIDALES
Raphoneidaceae: Raphoneis, Diplomenora, Delphineis, Neodelphineis, Perissonoe, Sceptroneis
Psammodiscaceae: Ardissonea
ORDER ARDISSONEALES
Ardissoneaceae: Ardissonea
ORDER TOXARIALES
Toxariaceae: Toxarium
ORDER THALASSIONEMATALES
Thalassinemataceae: Thalassioneam, Thalassiothrix, Trichotoxon
ORDER RHABDONEMATALES
Rhabdonemataceae: Rhabdonema
ORDER STRIATELLALES
Striatellaceae: Striatella, Microtabella, Grammatophora
ORDER CYCLOPHORALES
Cyclophoraceae: Cyclophora
Entopylaceae: Entopyla, Gephyria
ORDER CLIMACOSPHENIALES
Climacospheniaceae: Climacosphenia, Synedrosphenia
ORDER PROTORAPHIDALES
Protoraphidaceae: Protoraphis, Pseudohimantidium
CLASS BACILLARIOPHYCEAE
SUBCLASS EUNOTIOPHYCIDAE
ORDER EUNOTIALES
Eunotiaceae: Eunotia, Actinella, Semiorbis, Desmogonium
Peroniaceae: Peronia
SUBCLASS BACILLARIOPHYCIDAE
ORDER LYRELLALES
Lyrellaceae: Lyrella, Petroneis
ORDER MASTOGLOIALES
Mastogloiaceae: Mastogloia, Aneumastus
ORDER DICTYONEIDALES
Dictyoneidaceae: Dictyoneis
ORDER CYMBELLALES
Rhoicospheniaceae: Rhoicosphenia, Campylopyxis, Cuneolus, Gomphoseptatum, Gomphonemopsis
Anomoeneidaceae: Anomoeoneis, Staurophora
Cymbellaceae: Cymbella, Placoneis, Brebissonia, Encyonema, Gomphocymbella
Gomphonemataceae: Gomphonema, Didymosphenia, Gomphoneis, Reimeria, Gomphopleura
ORDER ACHNANTHALES
Achnanthaceae: Achnanthes
Cocconeidaceae: Cocconeis, Campyloneis, Anorthoneis, Bennettella, Epipellis
ORDER NAVICULALES
Berkeleyaceae: Berkeleya, Parlibellus, Climaconeis, Stenoneis
Cavinulaceae: Cavinula
Cosmeioneidaceae: Cosmioneis
Scolioneidaceae: Scolioneis
Diadesmidaceae: Diadesmis, Luticola
Amphipleuraceae: Amphipleura, Frickia, Frustulia, Cistula
Neidiaceae: Neidium
Scoliotropidaceae: Scoliotropis, Scoliopleura, Biremis, Progonoia, Diadema
Sellaphoraceae: Sellaphora, Fallacia, Rossia, Caponea
Pinnulariaceae: Pinnularia, Diatomella, Ostrupia, Dimidiata
Phaeodactylaceae: Phaeodactylum
Diploneidaceae: Diploneis, Raphidiodiscus
Naviculaceae: Navicula, Trachyneis, Pseudogomphonema, Seminavis, Rhoikoneis, Haslea, Cymatoneis
Pleurosigmataceae:Pleurosigma, Toxonidea, Donkinia, Gyrosigma, Rhoicosigma
Plagiotropidaceae: Plagiotropis, Stauropsis, Pachyneis
Stauroneidaceae: Stauroneis, Craticula
Proschkiniaceae: Proschkinia
ORDER THALASSIOPHYSALES
Catenulaceae: Catenula, Amphora, Undatella
Thallasiophysaceae: Thalassiophysa
ORDER BACILLARIALES
Bacillariaceae: Bacillaria, Hantzschia, Psammodictyon, Tryblionella, Cymbellonitzschia, Gomphonitzschia, Gomphotheca, Nitzschia, Denticula, Denticulopsis, Fragilariopsis, Cylindrotheca, Simonsenia, Cymatonitzschia, Perrya
ORDER RHOPALODIALES
Rhopalodiaceae: Epithemia, Rhopalodia, Protokeelia
ORDER SURIRELLALES
Entomoneidaceae: Entomoneis
Auriculaceae: Auricula
Surirellaceae: Surirella, Hydrosilicon, Petrodictyon, Plagiodiscus, Stenopterobia, Campylodiscus, Campylopleura
CLASS PHAEOPHYTEA
ORDER ECTOCARPINALES
Ectocarpus, Giffordia, Feldmannia, Streblonema, Pilayella, Ralfsia, Analipus.
ORDER CHORDARIALES
Chordaria, Eudesme, Cladosiphon, Myrionema, Elachista, Leathesia.
ORDER SPOROCHNITALES
Sporochnus.
ORDER DESMARESTIALES
Desmarestia.
ORDER CUTLERIALES
Cutleria, Zanardinia.
ORDER LAMINARIALES
Laminaria, Hedophyllum, Agarum, Costaria, Chorda, Dictyoneurum, Postelsia, Nereocystis, Macrocystis, Alaria, Pterygophora, Egregia, Eisenia.
ORDER SPHACELLARIALES
Sphacellaria, Halidrys, Cystoseria.
ORDER TILOPTERIALES
Tilopteria, Haplospora.
ORDER DICTYOTIALES
Dictyota, Dictyotopsis, Dilophus, Zonaria, Padina.
ORDER DICTYOSIPHONALES
Dictyosiphon, Stictyosiphon, Punctaria, Soranthera.
ORDER SCYTOSIPHONALES
Scytosiphon, Petalonia.
ORDER FUCALES
Fucus, Ascophyllum, Pelvetia, Sargassum, Cystoseira, Homosira.
ORDER DURVILLAEALES
Durvillaea.
This page maintained by Jack R. Holt. Last modified: 03/10/08