Gomphonema gracile var. lanceolatum (Kütz.) Cleve
Gomphonema longiceps Ehrenb.
Gomphonema longiceps var. montanum (Schum.) Hust.
Gomphonema longiceps var. subclavatum Grunow
Gomphonema olivaceoides Hust.
Gomphonema olivaceum (Lyngb.) Kütz.
Gomphonema olivaceum var. calcareum (Cleve) Cleve
Gomphonema olivaceum var. stauroneiformis Grunow in Van Heurck
Gomphonema parvulum (Kütz.) Kütz.
Gomphonema parvulum var. micropus (Kütz.) Cleve
Gomphonema sphaerophorum Ehrenb.
Gomphonema subclavatum (Grunow) Grunow
Gomphonema subclavatum var. mustela (Ehrenb.) Cleve
Gomphonema subtile Ehrenb.
Gomphonema tenellum Kütz.
Gomphonema truncatum Ehrenb.
Gomphonema ventricosum W.Greg.
Gyrosigma acuminatum (Kütz.) Rabenh.
Pleurosigma acuminatum (Kütz.) Grunow
Gyrosigma attenuatum (Kütz.) Rabenh.
Pleurosigma attenuatum (Kütz.) W.Sm.
Gyrosigma kuetzingiana (Grunow) Cleve
Gyrosigma macrum (W.Sm.) J.W.Griff. & Henfr.
Gyrosigma peisonis (Grunow) Hust.
Gyrosigma spencerii var. nodiferum (Grunow in Cleve & Grunow) Cleve
Gyrosigma strigilis (W.Sm.) Cleve
Hannaea arcus (Ehrenb.) R.M.Patrick
Ceratoneis arcus (Ehrenb.) Kütz.
Hannaea arcus var. amphioxys (Rabenh.) R.M.Patrick
Ceratoneis arcus var. amphioxus (Rabenh.) Brun
Hantzschia amphioxys (Ehrenb.) Grunow
Hantzschia amphioxys fo. capitata O.Müll.
Hantzschia amphioxys var. major Grunow in Van Heurck
Hantzschia virgata (Roper) Grunow in Cleve & Grunow
Hantzschia vivax var. hyperborea (Grunow) Lange-Bert.
Nitzschia vivax var. hyperborea Grunow
Haslea spicula (Hickie) Bukht.
Hippodonta capitata (Ehrenb.) Lange-Bert., Metzeltin &Witkowski
Navicula hungarica var. capitata (Ehrenb.) Cleve
Hippodonta costulata (Grunow) Lange-Bert., Metzeltin & Witkowski
Navicula costulata Grunow in Cleve & Grunow
Hippodonta hungarica (Grunow) Lange-Bert, Metzeltin &Witkowski
Navicula hungarica Grunow
Hippodonta lueneburgensis (Grunow) Lange-Bert, Metzeltin &Witkowski
Navicula hungarica var. lueneburgensis Grunow
Karayevia clevei (Grunow in Cleve & Grunow) Round & Bukht.
Achnanthes clevei Grunow
Karayevia laterostrata (Hust.) Round & Bukht.
Achnanthes laterostrata Hust.
Lemnicola hungarica (Grunow) Round & Basson
Achnanthes andicola (Cleve) Hust.
Achnanthes hungarica (Grunow) Grunow in Cleve & Grunow
Martyana martyi (Hérib.) Round in Round, Crawford & Mann
Opephora martyi Hérib.
Mastogloia baltica Grunow
Mastogloia braunii Grunow
Mastogloia elliptica var. dansei (Thwaites) Cleve
Mastogloia pumila (Cleve & J.D.Möller) Cleve
Mastogloia smithii Thwaites
Mayamea atomus (Kütz.) Lange-Bert.
Navicula atomus (Kütz.) Grunow
Melosira arenaria var. definita Østrup
(further study may justify transfer to Ellerbeckia)
Melosira moniliformis var. octogona (Grunow) Hust.
Melosira varians C.Agardh
Meridion circulare (Grev.) C.Agardh
Muelleria gibbula (Cleve) S.A.Spaulding & Stoermer
Navicula gibbula Cleve
Navicula aboensis (Cleve) Hust.
Navicula torneensis var. Cleve
Navicula amphibola Cleve
Navicula amphibola var. capitata Edlund et al.
Navicula anglica var. minuta Cleve
(further study may justify transfer to Placoneis)
Navicula atomus var. circularis Østrup
(further study may justify transfer to Mayamea)
Navicula capitata Ehrenb.
Navicula capitatoradiata H.Germ.
Navicula salinarum var. intermedia (Grunow in Van Heurck) Cleve
Navicula cincta (Ehrenb.) Ralfs in A.Pritch.
Navicula cincta var. angusta (Grunow) Cleve
Navicula convergens R.M.Patrick
Navicula crucicula (W.Sm.) Donkin
Navicula crucicula var. cruciculoides (Brockmann) Lange-Bert.
Navicula cryptocephala Kütz.
Navicula cryptocephala var. lata V.S.Poretzky & Anisimova
Navicula cryptocephala var. pumila (Grunow) DeToni
Navicula cryptocephala var. veneta (Kütz.) Rabenh.
Navicula cryptotenella Lange-Bert.
Navicula radiosa var. tenella (Bréb. in Kütz.) Grunow
Navicula elpatievskyi Østrup
Navicula expecta var. apiculata (R.M.Patrick) VanLand.
Navicula secreta var. apiculata R.M.Patrick
Navicula hasta Pant.
Navicula humerosa Bréb. ex W.Sm.
Navicula hustedtii Krasske
Navicula hyrtlii fo. minor Østrup
Navicula lacustris var. parallela Wislouch & Kolbe
(further study may justify transfer to Cavinula)
Navicula lacustris var. paulseniana (J.B.Petersen) Zabelina
(further study may justify transfer to Cavinula)
Navicula lanceolata (C.Agardh) Kütz.
Navicula lanceolata fo. curta Grunow in Van Heurck
Navicula lanceolata var. producta Pant.
Navicula lanceolata var. tenuirostris Skvortsov
Navicula lucidula Grunow in Van Heurck
Navicula menisculus Schum.
Navicula peregrina var. menisculus (Schum.) Grunow in Van Heurck
Navicula menisculus var. upsaliensis (Grunow) Grunow in Van Heurck
Navicula peregrina fo. upsaliensis Grunow in Van Heurck
Navicula mutica var. binodis Hust.
(further study may justify transfer to Luticola)
Navicula oblonga (Kütz.) Kütz.
Navicula oblonga var. subparallela Rattray
Navicula phyllepta Kütz.
Navicula lanceolata var. phyllepta (Kütz.) Van Heurck
Navicula platystoma Ehrenb.
Navicula protracta (Grunow in Cleve & Grunow) Cleve
Navicula radiosa Kütz.
Navicula radiosa var. acuta Grunow
Navicula reinhardtii fo. lanceolata Østrup
Navicula reinhardtii Grunow in Cleve & J.D.Möller
Navicula rhynchocephala Kütz.
Navicula rostellata Kütz.
Navicula rhynchocephala var. rostellata (Kütz.) Cleve & Grunow
Navicula rotaeana fo. minor tenuistriata Grunow in Van Heurck
(further study may justify transfer to Psammothidium)
Navicula salinarum Grunow in Cleve & J.D.Möller
Navicula schilberszkyi var. gibba Pant.
(may be a synonym of Caloneis limosa (Kütz.) R.M.Patrick upon further study)
Navicula subminuscula Manguin
Navicula torneensis Cleve
Navicula tridentula Krasske
Navicula tuscula fo. intermedia Kisselev
(further study may justify transfer to Aneumastus)
Navicula viridula (Kütz.) Ehrenb.
Navicula viridula var. slesvicensis (Grunow) Grunow
Navicula vulpina Kütz.
Neidium affine (Ehrenb.) Pfitzer
Navicula iridis var. affinis Van Heurck
Neidium affine var. amphirhynchus (Ehrenb.) Cleve
Navicula iridis var. amphirhynchus (Ehrenb.) Van Heurck
Neidium binode (Ehrenb.) Hust.
Navicula binodis Ehrenb.
Neidium bisulcatum (Lagerst.) Cleve
Navicula bisulcata Lagerst.
Neidium dubium (Ehrenb.) Cleve
Navicula iridis var. dubia (Ehrenb.) Van Heurck
Neidium incurvum (W.Greg.) Østrup
Navicula incurva W.Greg.
Neidium iridis (Ehrenb.) Cleve
Neidium iridis fo. vernalis Reichelt ex Hust.
Neidium iridis var. amphigomphus (Ehrenb.) A.Mayer
Navicula iridis var. amphigomphus (Ehrenb.) Van Heurck
Neidium iridis var. ampliatum (Ehrenb.) Cleve
Navicula iridis var. ampliata (Ehrenb.) Dippel
Neidium iridis var. diminutum (Pant.) Wislouch & Kolbe
Neidium kozlowi Mereschk.
Neidium levanderi (Hust.) Lange-Bert. & Metzeltin
Neidium productum (W.Sm.) Cleve
Nitzschia acicularis (Kütz.) W.Sm.
Nitzschia acula Hantzsch in Rabenh.
Nitzschia amphibia Grunow
Nitzschia angustata (W.Sm.) Grunow
Nitzschia angustata var. acuta Grunow in Cleve & Grunow
Nitzschia angustata var. curta Grunow in Van Heurck
Nitzschia archibaldii Lange-Bert.
Nitzschia calida Grunow
Nitzschia clausii Hantzsch
Nitzschia denticula Grunow in Cleve & Grunow
Nitzschia dissipata (Kütz.) Grunow
Nitzschia draveillensis M.Coste & Ricard
Nitzschia filiformis (W.Sm.) Van Heurck
Nitzschia fonticola Grunow in Cleve & J.D.Möller
Nitzschia palea var. fonticola Grunow in Cleve & J.D.Möller
Nitzschia frustulum (Kütz.) Grunow
Nitzschia hantzschiana Rabenh.
Nitzschia lanceolata fo. minima Grunow in Van Heurck
Nitzschia limes Pant.
Nitzschia linearis (C.Agardh) W.Sm.
Nitzschia linearis var. tenuis Grunow in Van Heurck
Nitzschia microcephala Grunow in Cleve & J.D.Möller
Nitzschia obtusa var. schweinfurthii Grunow in Cleve & Grunow
Nitzschia palea (Kütz.) W.Sm.
Nitzschia palea var. debilis (Kütz.) Grunow
Nitzschia palea var. kuetzingiana (Hilse) Grunow in Van Heurck
Nitzschia paleacea Grunow in Van Heurck
Nitzschia subtilis var. paleacea Grunow in Cleve & Grunow
Nitzschia paleaeformis Hust.
Nitzschia perminuta (Grunow) Perag.
Nitzschia petitiana Grunow in Cleve & Grunow
Nitzschia sigma (Kütz.) W.Sm.
Nitzschia sigmoidea (Nitzsch) W.Sm.
Nitzschia sublinearis Hust.
Nitzschia subvitrea Hust.
Nitzschia thermalis (Ehrenb.) Auersw. in Rabenh.
Nitzschia vermicularis (Kütz.) Hantzsch in Rabenh.
Nitzschia vitrea var. recta (Hantzsch) Van Heurck
Oestrupia zachariasii (Reichelt) Hust.
Paralia grunowii Glezer
[doubtful distribution in Mongolia as this is a marine fossil (Gleser et al. 1992)]
Melosira sulcata var. siberica Grunow in Van Heurck
Pinnularia borealis Ehrenb.
Navicula borealis (Ehrenb.) Kütz.
Pinnularia brebissonii (Kütz.) Rabenh.
Navicula brebissonii Kütz.
Pinnularia microstauron var. brebissonii (Kütz.) Mayer
Pinnularia brevicostata Cleve
Pinnularia divergens W.Sm.
Pinnularia divergens var. undulata (Perag. & Hérib. in Hérib.) Hust.
Pinnularia gentilis (Donkin) Cleve
Navicula nobilis var. gentilis (Donkin) Van Heurck
Pinnularia gentilis (Donkin) Cleve
Pinnularia gibba Ehrenb.
Pinnularia gibba var. linearis Hust.
Pinnularia gracillima W.Greg.
Navicula gracillima (W.Greg.) Ralfs in A.Pritch.
Pinnularia interrupta W.Sm.
Navicula mesolepta var. termes Van Heurck
Pinnularia interrupta fo. minor J.B.Petersen
(non Pinnularia interrupta fo. minor O.Müll (1898))
Pinnularia issykkulensis Kisselev
Pinnularia major (Kütz.) Rabenh.
Navicula major Kütz.
Pinnularia mesolepta (Ehrenb.) W.Sm.
Pinnularia microstauron (Ehrenb.) Cleve
Pinnularia microstauron var. subproducta (Grunow) Mills
Navicula brebissonii var. subproducta Grunow in Van Heurck
Pinnularia molaris (Grunow) Cleve
Pinnularia nobilis (Ehrenb.) Ehrenb.
Pinnularia parva (Ehrenb.) W.Greg.
Navicula stauroptera var. parva Grunow
Pinnularia problematica (Østrup) Mills
Navicula problematica Østrup
Pinnularia stauroptera (Grunow) Rabenh.
Pinnularia subborealis Hust.
Pinnularia undulata W.Greg.
Navicula undulata (W.Greg.) Hust.
Pinnularia viridis (Nitzsch) Ehrenb.
Navicula viridis (Nitzsch) Ehrenb.
Pinnularia viridis (Nitzsch) Ehrenb.
Pinnularia viridis var. clevei F.Meister
Pinnularia viridis var. intermedia Cleve
Pinnularia viridis var. leptogongyla Cleve
Placoneis dicephala (W.Sm.) Mereschk.
Navicula dicephala Ehrenb.
Placoneis elginensis (W.Greg.) E.J.Cox
Navicula elginensis (W.Greg.) Ralfs
Navicula anglica Ralfs
Placoneis exigua (W.Greg.) Mereschk.
Navicula exigua (W.Greg.) Grunow in Van Heurck
Placoneis gastrum (Ehrenb.) Mereschk.
Navicula gastrum (Ehrenb.) Kütz.
Placoneis placentula (Ehrenb.) Heinzerl.
Navicula gastrum var. placentula (Ehrenb.) Van Heurck
Navicula placentula (Ehrenb.) Kütz.
Placoneis placentula fo. rostrata (Mayer) Bukht.
Navicula placentula fo. rostrata (Mayer) Hust.
Planothidium calcar (Cleve) Round & Bukht.
Achnanthes calcar Cleve
Planothidium delicatulum (Kütz.) Round & Bukht.
Achnanthes delicatula (Kütz.) Grunow
Planothidium dubium (Grunow) Round & Bukht.
Achnanthes lanceolata var. dubia Grunow
Planothidium ellipticum (Grunow) Round & Bukht.
Achnanthes lanceolata var. elliptica Cleve
Planothidium lanceolatum (Bréb.) Round & Bukht.
Achnanthes lanceolata (Bréb. in Kütz.) Grunow in Cleve & Grunow
Planothidium oestrupii (A.Cleve) Round & Bukht.
Achnanthes oestrupii (A.Cleve) Hust.
Planothidium peragallii (Brun & Hérib. in Hérib.) Round & Bukht.
Achnanthes peragalli Brun & Hérib.
Pleurosigma salinarum var. boyeri (Keeley) Reimer
Proschkinia bulnheimii (Grunow) Karayeva
Navicula longirostris Hust.
Psammothidium bioretii (H.Germ.) Bukht. & Round
Navicula rotaena (Rabenh.) Grunow
Navicula vanheurkii R.M.Patrick
Pseudostaurosira binodis (Ehrenb.) M.B.Edlund, comb. nov.
Fragilaria binodis Ehrenb.
Fragilaria construens var. binodis (Ehrenb.) Grunow
Pseudostaurosira brevistriata (Grunow) D.M.Williams & Round
Fragilaria brevistriata Grunow