Species
1107 Species completed to date
GC
Genus Considered
Achnanthes
- Achnanthes mauiensis
- Achnanthes tumescens
- Achnanthes undulorostrata
- Achnanthes felinophila
- Achnanthes longboardia
- Achnanthes inflata
- Achnanthes coarctata
Achnanthidium
- Achnanthidium rosenstockii
- Achnanthidium subhudsonis var. kraeuselii
- Achnanthidium laticephalum
- Achnanthidium pyrenaicum
- Achnanthidium eutrophilum
- Achnanthidium reimeri
- Achnanthidium crassum
- Achnanthidium kranzii
- Achnanthidium alpestre
- Achnanthidium minutissimum
- Achnanthidium atomus
- Achnanthidium gracillimum
- Achnanthidium delmontii
- Achnanthidium rivulare
- Achnanthidium druartii
- Achnanthidium deflexum
- Achnanthidium duthiei
Amphora
- Amphora pediculus
- Amphora minutissima
- Amphora copulata
- Amphora delphinea var. minor
- Amphora calumetica
- Amphora ovalis
- Amphora bicapitata GC
Aneumastus
- Aneumastus minor
- Aneumastus pseudotusculus
- Aneumastus carolinianus
- Aneumastus rostratus
- Aneumastus tusculus
Anomoeoneis
- Anomoeoneis capitata
- Anomoeoneis fogedii
- Anomoeoneis monoensis
- Anomoeoneis sphaerophora f. rostrata
- Anomoeoneis sphaerophora
- Anomoeoneis costata
- Anomoeoneis sculpta
Aulacoseira
- Aulacoseira granulata var. angustissima
- Aulacoseira herzogii
- Aulacoseira pusilla
- Aulacoseira tenella
- Aulacoseira humilis
- Aulacoseira nivaloides
- Aulacoseira nygaardii
- Aulacoseira ambigua
- Aulacoseira crassipunctata
- Aulacoseira subarctica
- Aulacoseira alpigena
- Aulacoseira canadensis
- Aulacoseira valida
- Aulacoseira newjerseyana
- Aulacoseira granulata
- Aulacoseira nivalis
- Aulacoseira islandica
- Aulacoseira lirata
- Aulacoseira italica
- Aulacoseira muzzanensis
Brachysira
- Brachysira zellensis
- Brachysira vitrea
- Brachysira microcephala
- Brachysira subtilis
- Brachysira confusa
- Brachysira brebissonii
- Brachysira styriaca
- Brachysira ocalanensis
- Brachysira arctoborealis
- Brachysira follis
- Brachysira neoacuta
- Brachysira hannae
- Brachysira serians
Cavinula
- Cavinula pseudoscutiformis
- Cavinula vincentii
- Cavinula jaernefeltii
- Cavinula lapidosa
- Cavinula pusio
- Cavinula scutelloides
- Cavinula cocconeiformis
- Cavinula davisiae
- Cavinula variostriata
- Cavinula scutiformis
- Cavinula maculata
Chamaepinnularia
- Chamaepinnularia hassiaca
- Chamaepinnularia soehrensis
- Chamaepinnularia mediocris
- Chamaepinnularia krasskei
- Chamaepinnularia witkowskii
- Chamaepinnularia gandrupii
- Chamaepinnularia krookii
Cocconeis
- Cocconeis pseudothumensis
- Cocconeis neodiminuta
- Cocconeis fluviatilis
- Cocconeis cascadensis
- Cocconeis pediculus
- Cocconeis klamathensis
- Cocconeis czarneckii
- Cocconeis coreana
- Cocconeis rugosa
- Cocconeis placentula
- Cocconeis grovei
Craticula
- Craticula subminuscula
- Craticula molestiformis
- Craticula citrus
- Craticula accomoda
- Craticula accomodiformis
- Craticula riparia
- Craticula buderi
- Craticula halophila
- Craticula ambigua
- Craticula johnstoniae
- Craticula sardiniana
- Craticula cuspidata
- Craticula coloradensis
- Craticula acidoclinata
- Craticula pampeana
Cymbella
- Cymbella cosleyi
- Cymbella excisiformis
- Cymbella laevis
- Cymbella affiniformis
- Cymbella affinis
- Cymbella subleptoceros
- Cymbella parva
- Cymbella tropica
- Cymbella hustedtii
- Cymbella neoleptoceros
- Cymbella cleve-eulerae
- Cymbella turgidula
- Cymbella hantzschiana
- Cymbella blinnii
- Cymbella rumrichiae
- Cymbella subturgidula
- Cymbella vulgata
- Cymbella stigmaphora
- Cymbella alpestris
- Cymbella tumida
- Cymbella proxima fo. gravida
- Cymbella maggiana
- Cymbella compacta
- Cymbella neocistula
- Cymbella fontinalis
- Cymbella mexicana var. kamtschatica
- Cymbella proxima
- Cymbella neocistula var. islandica
- Cymbella cymbiformis
- Cymbella amplificata
- Cymbella perfossilis
- Cymbella mexicana
- Cymbella aspera
- Cymbella lanceolata
- Cymbella janischii
- Cymbella designata GC
Cymbopleura
- Cymbopleura amphicephala
- Cymbopleura naviculiformis
- Cymbopleura angustata
- Cymbopleura fluminea
- Cymbopleura frequens
- Cymbopleura oblongata
- Cymbopleura incertiformis var. laterostrata
- Cymbopleura maggieae
- Cymbopleura subaequalis
- Cymbopleura lapponica
- Cymbopleura rupicola
- Cymbopleura hybrida
- Cymbopleura elliptica
- Cymbopleura sublanceolata
- Cymbopleura anglica
- Cymbopleura laszlorum
- Cymbopleura incertiformis var. linearis
- Cymbopleura incerta
- Cymbopleura incertiformis
- Cymbopleura metzeltinii
- Cymbopleura florentina
- Cymbopleura stauroneiformis
- Cymbopleura rainierensis
- Cymbopleura tynnii
- Cymbopleura apiculata
- Cymbopleura edlundii
- Cymbopleura lata
- Cymbopleura austriaca
- Cymbopleura subcuspidata
- Cymbopleura perprocera
- Cymbopleura crassipunctata
- Cymbopleura inaequalis
- Cymbopleura heinii
- Cymbopleura subrostrata
Delicatophycus
- Delicatophycus tundraphilus
- Delicatophycus canadensis
- Delicatophycus montana
- Delicatophycus delicatulus
- Delicatophycus alpestris
Diploneis
- Diploneis puella
- Diploneis puellafallax
- Diploneis submarginestriata
- Diploneis potapovae
- Diploneis calcicolafrequens
- Diploneis texana
- Diploneis parma
- Diploneis calcilacustris
- Diploneis galloprovincialis
- Diploneis boldtiana
- Diploneis abscondita
- Diploneis doncharlesii
- Diploneis krammeri
- Diploneis ovalis
- Diploneis mollenhaueri
- Diploneis elliptica
- Diploneis finnica
Discostella
- Discostella pseudostelligera
- Discostella lacuskarluki
- Discostella stelligera
- Discostella asterocostata
Encyonema
- Encyonema reichardtii
- Encyonema montanum
- Encyonema obscurum
- Encyonema minutum
- Encyonema hamsherae
- Encyonema lange-bertalotii
- Encyonema auerswaldii
- Encyonema appalachianum
- Encyonema procerum
- Encyonema paucistriatum
- Encyonema lunatum
- Encyonema neogracile
- Encyonema norvegicum
- Encyonema pergracile
- Encyonema silesiacum
- Encyonema silesiacum var. elegans
- Encyonema kamtschaticum var. parvum
- Encyonema sibericum
- Encyonema minutum var. pseudogracilis
- Encyonema hebridicum
- Encyonema leibleinii
- Encyonema triangulum
- Encyonema yellowstonianum
- Encyonema nicafei
- Encyonema temperei
- Encyonema latum
- Encyonema sinicum
- Encyonema reimeri
- Encyonema evergladianum GC
Encyonopsis
- Encyonopsis lacusalpini
- Encyonopsis minuta
- Encyonopsis alpina
- Encyonopsis subminuta
- Encyonopsis microcephala
- Encyonopsis thumensis
- Encyonopsis perborealis
- Encyonopsis bobmarshallensis
- Encyonopsis hustedtii
- Encyonopsis robusta
- Encyonopsis krammeri
- Encyonopsis kutenaiorum
- Encyonopsis medicinalis
- Encyonopsis albertana
- Encyonopsis anacondae
- Encyonopsis neerlandica
- Encyonopsis descripta
- Encyonopsis czarneckii
- Encyonopsis dakotae
- Encyonopsis descriptiformis
- Encyonopsis falaisensis
- Encyonopsis cesatii
- Encyonopsis cesatiformis
- Encyonopsis stafsholtii
- Encyonopsis lacuscaerulei
- Encyonopsis montana
- Encyonopsis aequaliformis GC
Epithemia
- Epithemia sorex
- Epithemia reicheltii
- Epithemia gibberula
- Epithemia musculus
- Epithemia adnata
- Epithemia alpestris
- Epithemia argus
- Epithemia smithii
- Epithemia turgida
- Epithemia gibba
Eucocconeis
- Eucocconeis laevis
- Eucocconeis depressa
- Eucocconeis alpestris
- Eucocconeis americana
- Eucocconeis flexella
Eunotia
- Eunotia microcephala
- Eunotia enischna
- Eunotia orthohedra
- Eunotia perpusilla
- Eunotia cataractarum
- Eunotia exigua
- Eunotia trinacria
- Eunotia rhomboidea
- Eunotia rushforthii
- Eunotia tecta
- Eunotia horstii
- Eunotia subherkiniensis
- Eunotia tenella
- Eunotia bidentula
- Eunotia canicula
- Eunotia papilioforma
- Eunotia gibbosa
- Eunotia bactriana
- Eunotia sudetica
- Eunotia boomsma
- Eunotia nymanniana
- Eunotia paludosa
- Eunotia hexaglyphis
- Eunotia bilii
- Eunotia incisa
- Eunotia tetraodon
- Eunotia mucophila
- Eunotia kociolekii
- Eunotia novaeangliae
- Eunotia obliquestriata
- Eunotia faba
- Eunotia areniverma
- Eunotia montuosa
- Eunotia richbuttensis
- Eunotia bidens
- Eunotia zasuminensis
- Eunotia mydohaimasiae
- Eunotia diadema
- Eunotia sarraceniae
- Eunotia charliereimeri
- Eunotia triodon
- Eunotia pectinalis
- Eunotia macroglossa
- Eunotia panda
- Eunotia lewisii
- Eunotia bilunaris
- Eunotia superbidens
- Eunotia pseudoparallela
- Eunotia serra
- Eunotia formica
- Eunotia naegelii
- Eunotia metamonodon
- Eunotia spatulata
- Eunotia tauntonensis
- Eunotia eruca GC
Fallacia
- Fallacia californica
- Fallacia tenera
- Fallacia subhamulata
- Fallacia vitrea
- Fallacia hummii
- Fallacia latelongitudinalis
- Fallacia pygmaea
Fragilaria
- Fragilaria pennsylvanica
- Fragilaria recapitellata
- Fragilaria vaucheriae
- Fragilaria socia
- Fragilaria mesolepta
- Fragilaria cyclopum
- Fragilaria amphicephaloides
- Fragilaria crotonensis
- Fragilaria tenera
- Fragilaria synegrotesca
Fragilariforma
- Fragilariforma horstii
- Fragilariforma marylandica
- Fragilariforma polygonata
- Fragilariforma constricta
- Fragilariforma bicapitata
- Fragilariforma nitzschioides
- Fragilariforma virescens
- Fragilariforma acidobiontica
Frustulia
- Frustulia creuzburgensis
- Frustulia capitata
- Frustulia neomundana
- Frustulia pseudomagaliesmontana
- Frustulia crassinervia
- Frustulia latita
- Frustulia asiatica
- Frustulia soror
- Frustulia vulgaris
- Frustulia amosseana
- Frustulia quadrisinuata
- Frustulia inculta
- Frustulia saxonica
- Frustulia amphipleuroides
- Frustulia rexii
- Frustulia esandalliae
- Frustulia krammeri
- Frustulia bahlsii
Geissleria
- Geissleria acceptata
- Geissleria ignota
- Geissleria declivis
- Geissleria cascadensis
- Geissleria kriegeri
- Geissleria lateropunctata
- Geissleria punctifera
- Geissleria decussis
Gomphoneis
- Gomphoneis eriense var. variabilis
- Gomphoneis eriensis var. apiculata
- Gomphoneis eriensis
- Gomphoneis eriensis var. angularis
- Gomphoneis trullata
- Gomphoneis septa
- Gomphoneis oreophila
- Gomphoneis minuta
- Gomphoneis herculeana var. lowei
- Gomphoneis herculeana var. abundans
- Gomphoneis herculeana
- Gomphoneis mammilla
Gomphonella
- Gomphonella hutchinsoniana
- Gomphonella pseudookunoi
- Gomphonella fogedii
- Gomphonella olivacea
Gomphonema
- Gomphonema montezumense
- Gomphonema consector
- Gomphonema variostriatum
- Gomphonema superiorense
- Gomphonema lagenula
- Gomphonema incognitum
- Gomphonema kobayasii
- Gomphonema sierranum
- Gomphonema caperatum
- Gomphonema duplipunctatum
- Gomphonema submehleri
- Gomphonema sarcophagus
- Gomphonema louisiananum
- Gomphonema manubrium
- Gomphonema gibba
- Gomphonema pygmaeum
- Gomphonema insularum
- Gomphonema apuncto
- Gomphonema germainii
- Gomphonema stoermeri
- Gomphonema distans
- Gomphonema ventricosum
- Gomphonema brebissonii
- Gomphonema turgidum
- Gomphonema nathorstii
- Gomphonema johnsonii
- Gomphonema pseudosphaerophorum
- Gomphonema apicatum
- Gomphonema freesei
- Gomphonema americobtusatum
- Gomphonema mexicanum
- Gomphonema sphaerophorum
- Gomphonema pusillum
- Gomphonema christensenii
- Gomphonema mehleri
- Gomphonema amerhombicum
- Gomphonema truncatum
- Gomphonema californicum
- Gomphonema reimeri
- Gomphonema acuminatum
- Gomphonema eileencoxiae
- Gomphonema elongatum
- Gomphonema coronatum
- Gomphonema semiapertum
- Gomphonema vibrioides
Halamphora
- Halamphora thumensis
- Halamphora subtilis
- Halamphora montana
- Halamphora normanii
- Halamphora oligotraphenta
- Halamphora coffeiformis
- Halamphora veneta
- Halamphora latecostata
- Halamphora elongata
Hippodonta
- Hippodonta pseudacceptata
- Hippodonta coxiae
- Hippodonta gravistriata
- Hippodonta capitata subsp. iberoamericana
- Hippodonta hungarica
- Hippodonta capitata
Humidophila
- Humidophila schmassmannii
- Humidophila undulata
- Humidophila contenta
- Humidophila perpusilla
- Humidophila pantropica
Karayevia
- Karayevia amoena
- Karayevia nitidiformis
- Karayevia suchlandtii
- Karayevia laterostrata
- Karayevia ploenensis var. gessneri
- Karayevia clevei
Kobayasiella
- Kobayasiella micropunctata
- Kobayasiella subtilissima
- Kobayasiella jaagii
- Kobayasiella madumensis
- Kobayasiella okadae
- Kobayasiella parasubtilissima
Kurtkrammeria
- Kurtkrammeria aequalis
- Kurtkrammeria neoamphioxys
- Kurtkrammeria stodderi
- Kurtkrammeria weilandii
- Kurtkrammeria subspicula
- Kurtkrammeria lacusglacialis
- Kurtkrammeria treinishii
Lindavia
- Lindavia delicatula
- Lindavia comensis
- Lindavia michiganiana
- Lindavia ocellata
- Lindavia praetermissa
- Lindavia rossii
- Lindavia radiosa
- Lindavia antiqua
- Lindavia affinis
- Lindavia intermedia
- Lindavia bodanica
- Lindavia eriensis
Luticola
- Luticola ventricosa
- Luticola ignorata
- Luticola arctica
- Luticola goeppertiana
- Luticola stigma
- Luticola hamiltonii
- Luticola minor
- Luticola mobiliensis
Mastogloia
- Mastogloia binotata
- Mastogloia taralunae
- Mastogloia grevillei
- Mastogloia lucayensis
- Mastogloia albertii
- Mastogloia pumila
- Mastogloia pseudosmithii
- Mastogloia calcarea
- Mastogloia lacustris
- Mastogloia elliptica
- Mastogloia floridensis
Meridion
- Meridion lineare
- Meridion circulare var. constrictum
- Meridion anceps
- Meridion circulare
- Meridion alansmithii
Navicula
- Navicula ingenua
- Navicula goersii
- Navicula vilaplanii
- Navicula kotschyi
- Navicula caterva
- Navicula longicephala
- Navicula metareichardtiana
- Navicula antonii
- Navicula canalis
- Navicula veneta
- Navicula trilatera
- Navicula eileeniae
- Navicula cincta
- Navicula seibigiana
- Navicula subrostellata
- Navicula supleeorum
- Navicula cryptofallax
- Navicula staffordiae
- Navicula cryptocephala
- Navicula symmetrica
- Navicula gregaria
- Navicula libonensis
- Navicula salinarum
- Navicula aitchelbee
- Navicula erifuga
- Navicula capitatoradiata
- Navicula lundii
- Navicula elsoniana
- Navicula germainii
- Navicula leptostriata
- Navicula notha
- Navicula caroliniae
- Navicula oppugnata
- Navicula rostellata
- Navicula recens
- Navicula subrhynchocephala
- Navicula trivialis
- Navicula reinhardtii
- Navicula perotii
- Navicula escambia
- Navicula schweigeri
- Navicula wildii
- Navicula geronimensis
- Navicula cari
- Navicula duerrenbergiana
- Navicula winonae
- Navicula rhynchocephala
- Navicula cryptocephaloides
- Navicula rhynchotella
- Navicula subconcentrica
- Navicula weberi
- Navicula pseudolanceolata
- Navicula lanceolata
- Navicula streckerae
- Navicula tripunctata
- Navicula vaneei
- Navicula whitefishensis
- Navicula harmoniae
- Navicula margalithii
- Navicula viridulacalcis subsp. neomundana
- Navicula slesvicensis
- Navicula angusta
- Navicula venerablis
- Navicula viridula
- Navicula peregrinopsis
- Navicula flatheadensis
- Navicula piercei
- Navicula freesei
- Navicula hasta
- Navicula sovereignii
- Navicula radiosa
- Navicula vulpina
- Navicula galloae
- Navicula peregrina
- Navicula aurora
- Navicula walkeri
- Navicula ludloviana
- Navicula subwalkeri
- Navicula oblonga
- Navicula volcanica
- Navicula hodgeana GC
- Navicula genovefae GC
- Navicula nunivakiana GC
Neidium
- Neidium densestriatum
- Neidium pseudodensestriatum
- Neidium hercynicum
- Neidium fogedii
- Neidium distinctepunctatum
- Neidium bobmarshallense
- Neidium bisulcatum
- Neidium hitchcockii
- Neidium sacoense
- Neidium undulatum
- Neidium fossum
- Neidium amphigomphus
- Neidium dilatatum
- Neidium iridis
Nitzschia
- Nitzschia inconspicua
- Nitzschia innominata
- Nitzschia microcephala
- Nitzschia fonticoloides
- Nitzschia soratensis
- Nitzschia perminuta
- Nitzschia alpina
- Nitzschia liebethruthii
- Nitzschia desertorum
- Nitzschia semirobusta
- Nitzschia valdecostata
- Nitzschia palea var. debilis
- Nitzschia acidoclinata
- Nitzschia minuta
- Nitzschia palea var. tenuirostris
- Nitzschia amphibia
- Nitzschia communis
- Nitzschia oregona
- Nitzschia palea
- Nitzschia oligotraphenta
- Nitzschia incognita
- Nitzschia sociabilis
- Nitzschia paleacea
- Nitzschia brevissima
- Nitzschia fonticola
- Nitzschia balcanica
- Nitzschia exilis
- Nitzschia biacrula
- Nitzschia clausii
- Nitzschia columbiana
- Nitzschia dissipata
- Nitzschia reversa
- Nitzschia recta
- Nitzschia angustata
- Nitzschia kurzeana
- Nitzschia acicularis
- Nitzschia regula var. robusta
- Nitzschia serpentiraphe
- Nitzschia filiformis
- Nitzschia linearis
- Nitzschia sigma
- Nitzschia sigmoidea
- Nitzschia siliqua GC
Nupela
- Nupela carolina
- Nupela neglecta
- Nupela scissura
- Nupela vitiosa
- Nupela wellneri
- Nupela tenuicephala
- Nupela impexiformis
- Nupela fennica
- Nupela decipiens
- Nupela potapovae
- Nupela elegantula
- Nupela pennsylvanica
- Nupela lapidosa
- Nupela poconoensis
- Nupela frezelii
- Nupela subrostrata
Pinnularia
- Pinnularia marchica
- Pinnularia pluvianiformis
- Pinnularia bigibba
- Pinnularia subanglica
- Pinnularia saprophila
- Pinnularia divergentissima
- Pinnularia borealis
- Pinnularia gibbiformis
- Pinnularia birnirkiana
- Pinnularia subcapitata var. elongata
- Pinnularia borealis var. lanceolata
- Pinnularia brebissonii
- Pinnularia nodosa
- Pinnularia nodosa var. percapitata
- Pinnularia rabenhorstii
- Pinnularia scotica
- Pinnularia wisconsinensis
- Pinnularia subgibba var. lanceolata
- Pinnularia brauniana
- Pinnularia rhombarea
- Pinnularia suchlandtii
- Pinnularia feremorosa
- Pinnularia lailaensis
- Pinnularia subgibba var. sublinearis
- Pinnularia polyonca var. stidolphii
- Pinnularia microstauron
- Pinnularia acrosphaeria
- Pinnularia subgibba var. undulata
- Pinnularia undula
- Pinnularia parvulissima
- Pinnularia turgidula
- Pinnularia decrescens
- Pinnularia turfosiphila
- Pinnularia lokana
- Pinnularia cardinaliculus
- Pinnularia macilenta
- Pinnularia socialis
- Pinnularia lata
- Pinnularia cuneicephala
- Pinnularia kwacksii
- Pinnularia undula var. major
- Pinnularia clericii
- Pinnularia formica
- Pinnularia subgibba
- Pinnularia streptoraphe
- Pinnularia rexlowei
- Pinnularia bihastata
- Pinnularia spinifera
- Pinnularia transversa
- Pinnularia pulchella var. canadensis
- Pinnularia torta
- Pinnularia pulchella
- Pinnularia nobilis var. regularis
- Pinnularia dariana
- Pinnularia gigas
- Pinnularia ectorii
- Pinnularia alabamae
Placoneis
- Placoneis anglophila
- Placoneis explanata
- Placoneis abiskoensis
- Placoneis gastrum
- Placoneis amphibola
Planothidium
- Planothidium rostratoholarcticum
- Planothidium frequentissimum
- Planothidium potapovae
- Planothidium abbreviatum
- Planothidium delicatulum
- Planothidium reichardtii
- Planothidium incuriatum
- Planothidium lanceolatum
- Planothidium amphibium
- Planothidium biporomum
- Planothidium holstii
- Planothidium sheathii
- Planothidium apiculatum
- Planothidium lanceolatoides
- Planothidium joursacense GC
Platessa
- Platessa bahlsii
- Platessa kingstonii
- Platessa hustedtii
- Platessa stewartii
- Platessa lutheri
- Platessa conspicua
- Platessa oblongella
- Platessa strelnikovae
Psammothidium
- Psammothidium microscopicum
- Psammothidium didymum
- Psammothidium semiapertum
- Psammothidium levanderi
- Psammothidium rossii
- Psammothidium subatomoides
- Psammothidium scoticum
- Psammothidium pennsylvanicum
- Psammothidium sacculus
- Psammothidium lauenburgianum
- Psammothidium nivale
- Psammothidium acidoclinatum
- Psammothidium chlidanos
- Psammothidium daonense
- Psammothidium bioretii
- Psammothidium helveticum
- Psammothidium lacustre
- Psammothidium harveyi
- Psammothidium alpinum
- Psammothidium obliquum
Pseudostaurosira
- Pseudostaurosira trainorii
- Pseudostaurosira elliptica
- Pseudostaurosira neoelliptica
- Pseudostaurosira microstriata
- Pseudostaurosira pseudoconstruens
- Pseudostaurosira robusta
- Pseudostaurosira parasitica
- Pseudostaurosira brevistriata
- Pseudostaurosira americana
Rossithidium
- Rossithidium nodosum
- Rossithidium pusillum
- Rossithidium petersenii
- Rossithidium kriegeri
- Rossithidium anastasiae
Sellaphora
- Sellaphora saugerresii
- Sellaphora nigri
- Sellaphora pulchra
- Sellaphora schadei
- Sellaphora atomoides
- Sellaphora subfasciata
- Sellaphora javanica
- Sellaphora stroemii
- Sellaphora subbacillum
- Sellaphora japonica
- Sellaphora wallacei
- Sellaphora disjuncta
- Sellaphora stauroneioides
- Sellaphora meridionalis
- Sellaphora auldreekie
- Sellaphora rexii
- Sellaphora bacilloides
- Sellaphora californica
- Sellaphora bacillum
- Sellaphora fusticulus
- Sellaphora hohnii
- Sellaphora laevissima
- Sellaphora alastos
- Sellaphora americana
- Sellaphora moesta
Stauroneis
- Stauroneis separanda
- Stauroneis thermicola
- Stauroneis kriegeri
- Stauroneis bovbjergii
- Stauroneis agrestis
- Stauroneis smithii
- Stauroneis smithii var. incisa
- Stauroneis livingstonii
- Stauroneis pseudagrestis
- Stauroneis neohyalina
- Stauroneis lauenburgiana
- Stauroneis boyntoniae
- Stauroneis kootenai
- Stauroneis reichardtii
- Stauroneis bryocola
- Stauroneis acidoclinatopsis
- Stauroneis pikuni
- Stauroneis schroederi
- Stauroneis siberica
- Stauroneis acidoclinata
- Stauroneis ancepsfallax
- Stauroneis vandevijveri
- Stauroneis absaroka
- Stauroneis anceps
- Stauroneis sacajaweae
- Stauroneis amphicephala
- Stauroneis pax
- Stauroneis stodderi
- Stauroneis fluminopsis
- Stauroneis conspicua
- Stauroneis thompsonii
- Stauroneis angustilancea
- Stauroneis staurolineata
- Stauroneis gracilis
- Stauroneis beeskovea
- Stauroneis baconiana
- Stauroneis akamina
- Stauroneis subborealis
- Stauroneis circumborealis
- Stauroneis superkuelbsii
- Stauroneis alabamae
- Stauroneis acuta
- Stauroneis sonyae
- Stauroneis kishinena
- Stauroneis submarginalis
- Stauroneis kingstonii
- Stauroneis heinii
- Stauroneis phoenicenteron
- Stauroneis supergracilis
- Stauroneis americana
- Stauroneis finlandia
- Stauroneis rex
- Stauroneis terryi
Staurophora
- Staurophora tackei
- Staurophora soodensis
- Staurophora wislouchii
- Staurophora brantii
- Staurophora columbiana
- Staurophora amphioxys
Staurosira
- Staurosira construens
- Staurosira binodis
- Staurosira stevensonii
- Staurosira construens var. venter
Staurosirella
- Staurosirella pinnata
- Staurosirella berolinensis
- Staurosirella martyi
- Staurosirella leptostauron
- Staurosirella neopinnata
- Staurosirella leptostauron var. dubia
- Staurosirella rhomboides
Stephanodiscus
- Stephanodiscus parvus
- Stephanodiscus minutulus
- Stephanodiscus binderanus
- Stephanodiscus hantzschii f. tenuis
- Stephanodiscus hantzschii
- Stephanodiscus oregonicus
- Stephanodiscus alpinus
- Stephanodiscus medius
- Stephanodiscus yellowstonensis
- Stephanodiscus niagarae
- Stephanodiscus reimeri
Surirella
- Surirella stalagma
- Surirella atomus
- Surirella lacrimula
- Surirella suecica
- Surirella amphioxys
- Surirella iowensis
- Surirella arctica
- Surirella brebissonii
- Surirella angusta
- Surirella pinnata
- Surirella ovalis
- Surirella crumena
- Surirella striatula
- Surirella undulata
- Surirella cruciata
- Surirella terryi
- Surirella librile
- Surirella internationalis GC
Thalassiosira
- Thalassiosira minima
- Thalassiosira weissflogii
- Thalassiosira baltica
- Thalassiosira lacustris
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