Difference between revisions of "Order Fragilariales"
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*''Asterionella gracillima'' (Hantzsch) Heiberg — planktonic, common, lakes | *''Asterionella gracillima'' (Hantzsch) Heiberg — planktonic, common, lakes | ||
*''Asterionella glacialis'' Castracane — marine, planktonic (Rat'kova, 2000). | *''Asterionella glacialis'' Castracane — marine, planktonic (Rat'kova, 2000). | ||
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Genus ''Catacombаs'' D. M. Williams & Round | Genus ''Catacombаs'' D. M. Williams & Round | ||
*''Catacombаs gaillonii'' (Bory de Saint-Vincent) D. M. Williams & Round – marine, littoral; single finding (Бондарчук, 1970: Synedra gaillonii (Bory de Saint-Vincent) Ehrenberg). | *''Catacombаs gaillonii'' (Bory de Saint-Vincent) D. M. Williams & Round – marine, littoral; single finding (Бондарчук, 1970: Synedra gaillonii (Bory de Saint-Vincent) Ehrenberg). | ||
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Genus ''Ceratoneis'' Ehrenberg | Genus ''Ceratoneis'' Ehrenberg | ||
*''Ceratoneis arcus'' Kützing – marine, littoral, diluted areas; sporadic (Бондарчук, 1970). Marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003). | *''Ceratoneis arcus'' Kützing – marine, littoral, diluted areas; sporadic (Бондарчук, 1970). Marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003). | ||
**''C. arcus'' var. ''lineari'' Holmboe – single finding in fouling (Бондарчук, 1970). | **''C. arcus'' var. ''lineari'' Holmboe – single finding in fouling (Бондарчук, 1970). | ||
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Genus ''Ctenophora'' (A. Grunow) D. M. Williams & Round | Genus ''Ctenophora'' (A. Grunow) D. M. Williams & Round | ||
*''Ctenophora pulchella'' (Ralfs ex Kützing) D. M. Williams & Round var. ''pulchella'' – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: Synedra pulchella Ralfs ex Kützing; ''S. pulchella'' var. ''lanceolata'' O'Meara – very rare, together with type variation). | *''Ctenophora pulchella'' (Ralfs ex Kützing) D. M. Williams & Round var. ''pulchella'' – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: Synedra pulchella Ralfs ex Kützing; ''S. pulchella'' var. ''lanceolata'' O'Meara – very rare, together with type variation). | ||
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*''Diatoma elongatum'' (Lyngbye) C. Agardh – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970). | *''Diatoma elongatum'' (Lyngbye) C. Agardh – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970). | ||
*''Diatoma hyemalе'' (Roth) Heiberg – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970). | *''Diatoma hyemalе'' (Roth) Heiberg – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970). | ||
| − | *''Diatoma moniliformis'' (Kützing) D.M.Williams - freshwater, periphyton | + | *''Diatoma moniliformis'' (Kützing) D.M.Williams - freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
| − | *''Diatoma tenuе'' C. A. Agardh – freshwater; periphyton (Dressler, 2003). | + | *''Diatoma tenuе'' C. A. Agardh (=''Diatoma tenuis'') – freshwater; periphyton (Dressler, 2003); in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication). |
*''Diatoma vulgare'' Bory de Saint-Vincent — planktonic,benthic, common, sublittoral, freshwater | *''Diatoma vulgare'' Bory de Saint-Vincent — planktonic,benthic, common, sublittoral, freshwater | ||
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Genus ''Fragilaria'' Lyngbye | Genus ''Fragilaria'' Lyngbye | ||
*''Fragilaria capucina'' Desmazières var. ''capucina'' – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003: ''F. capucina'' var. ''mesolepta ''Rabenhorst and ''F. capucina'' var. ''vaucheriae'' (Kützing) Lange-Bertalot). | *''Fragilaria capucina'' Desmazières var. ''capucina'' – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003: ''F. capucina'' var. ''mesolepta ''Rabenhorst and ''F. capucina'' var. ''vaucheriae'' (Kützing) Lange-Bertalot). | ||
**''Fragilaria'' cf. ''capucina'' var. ''gracilis'' (Østrup) Hudsted – freshwater; periphyton (Dressler, 2003). | **''Fragilaria'' cf. ''capucina'' var. ''gracilis'' (Østrup) Hudsted – freshwater; periphyton (Dressler, 2003). | ||
*''Fragilaria construens'' (Ehrenberg) Grunow – marine, littoral; often in significantly diluted areas (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: as ''F. construens'' (Ehrenberg) Hudsted f. ''construens'' and ''F. construens'' f. ''venter'' (Ehrenberg) Grunow). | *''Fragilaria construens'' (Ehrenberg) Grunow – marine, littoral; often in significantly diluted areas (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: as ''F. construens'' (Ehrenberg) Hudsted f. ''construens'' and ''F. construens'' f. ''venter'' (Ehrenberg) Grunow). | ||
| − | *''Fragilaria crotonensis'' Kitton – marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003). | + | *''Fragilaria crotonensis'' Kitton – marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003); in plankton of meromictic lake Trekhtzvetnoe Ivanova, 2025, personal communication). |
*''Fragilaria hyalina'' (Kützing) Grunow ex Van Heurck – marine, littoral; benthic, periphyton; in some areas abundant (Бондарчук, 1970). | *''Fragilaria hyalina'' (Kützing) Grunow ex Van Heurck – marine, littoral; benthic, periphyton; in some areas abundant (Бондарчук, 1970). | ||
*''Fragilaria islandica'' Grunow ex Van Heurck – marine; planktonic (Конопля, 1974). Marine; planktonic; dominant (Возжинская, 1975). | *''Fragilaria islandica'' Grunow ex Van Heurck – marine; planktonic (Конопля, 1974). Marine; planktonic; dominant (Возжинская, 1975). | ||
| − | *''Fragilaria parasitica'' var. ''subconstricta ''Grunow in Van Heurck – freshwater; periphyton (Dressler, 2003). | + | *!!!''Fragilaria parasitica'' (W.Smith) Heiberg – currently regarded as a synonym of ''Pseudostaurosira parasitica'' (see below). |
| + | **!!!''Fragilaria parasitica'' var. ''subconstricta ''Grunow in Van Heurck (''F. parasitica'' is currently regarded as a synonym of ''Pseudostaurosira parasitica'' (see below)) – freshwater; periphyton (Dressler, 2003). | ||
*''Fragilaria striatula'' Lyngbye – marine; littoral; in some areas abundant, particularly in fouling of filamentous macrophytes (Бондарчук, 1970). | *''Fragilaria striatula'' Lyngbye – marine; littoral; in some areas abundant, particularly in fouling of filamentous macrophytes (Бондарчук, 1970). | ||
*''Fragilaria tenera'' (W.Smith) Lange-Bertalot - freshwater; plankt.; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | *''Fragilaria tenera'' (W.Smith) Lange-Bertalot - freshwater; plankt.; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
| − | **''Fragilaria'' сf. ''tenera'' (W.Smith) Lange-Bertalot – freshwater; periphyton (Dressler, 2003). | + | **''Fragilaria'' сf. ''tenera'' (W.Smith) Lange-Bertalot – freshwater; periphyton (Dressler, 2003); in plankton of meromictic lake Trekhtzvetnoe Ivanova, 2025, personal communication). |
*''Fragilaria ulna'' (Nitzsch) Lange-Bertalot – freshwater; periphyton (Dressler, 2003: as ''F. ulna'' var. ''ulna'' s.l. and ''F. ulna'' var. ''angustissima''). | *''Fragilaria ulna'' (Nitzsch) Lange-Bertalot – freshwater; periphyton (Dressler, 2003: as ''F. ulna'' var. ''ulna'' s.l. and ''F. ulna'' var. ''angustissima''). | ||
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Genus ''Fragilariforma'' D. M. Williams & F. E. Round | Genus ''Fragilariforma'' D. M. Williams & F. E. Round | ||
*''Fragilariforma virescens'' (Ralfs) D.M. Williams & Round – marine; littoral; benthic, periphyton; everywhere; not abundant (Бондарчук, 1970: as ''Fragilaria virescens'' Ralfs). | *''Fragilariforma virescens'' (Ralfs) D.M. Williams & Round – marine; littoral; benthic, periphyton; everywhere; not abundant (Бондарчук, 1970: as ''Fragilaria virescens'' Ralfs). | ||
Genus ''Hannaea'' R. Patrick in R. Patrick & C. W. Reimer | Genus ''Hannaea'' R. Patrick in R. Patrick & C. W. Reimer | ||
*''Hannaea arcus'' (Ehrenberg) Patrick — marine, planktonic (Rat'kova, 2000). | *''Hannaea arcus'' (Ehrenberg) Patrick — marine, planktonic (Rat'kova, 2000). | ||
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Genus ''Martyana'' F. E. Round in F. E. Round et al. | Genus ''Martyana'' F. E. Round in F. E. Round et al. | ||
| − | *''Martyana atomus'' (Héribaud-Joseph) Round, 1990 - | + | *''!!!Martyana atomus'' (Héribaud-Joseph) Round, 1990 (relevant species name ''Stauroforma atomusmarine'', see below) - freshwater. Found in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023) and meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
*''Martyana martyi'' (Héribaud) F.E. Round – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: as ''Opephora martyi'' Héribaud). | *''Martyana martyi'' (Héribaud) F.E. Round – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: as ''Opephora martyi'' Héribaud). | ||
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Genus ''Meridion'' C. Agardh | Genus ''Meridion'' C. Agardh | ||
*''Meridion circulare'' (Greville) C. Agardh – marine, littoral; sporadic in mouths of brooks (Бондарчук, 1970). | *''Meridion circulare'' (Greville) C. Agardh – marine, littoral; sporadic in mouths of brooks (Бондарчук, 1970). | ||
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Genus ''Opephora'' P. Petit | Genus ''Opephora'' P. Petit | ||
*''Opephora marina'' (Gregory) Petit var. ''marina'' – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970; ''O. marina'' var. ''minuta'' – together with type variation, but less often). Marine, littoral; benthic (Сабурова, 1995). | *''Opephora marina'' (Gregory) Petit var. ''marina'' – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970; ''O. marina'' var. ''minuta'' – together with type variation, but less often). Marine, littoral; benthic (Сабурова, 1995). | ||
| − | *''Opephora mutabilis'' Sabbe & Wyverman – marine | + | *''Opephora mutabilis'' Sabbe & Wyverman – marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
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Genus ''Pseudostaurosira'' D. M. Williams & F. E. Round | Genus ''Pseudostaurosira'' D. M. Williams & F. E. Round | ||
*''Pseudostaurosira brevistriata'' (Grunow) D.M. Williams – marine, littoral; diluted areas; benthic, periphyton; often (Бондарчук, 1970: as ''Fragilaria brevistriata'' Grunow). Freshwater; periphyton (Dressler, 2003: ''F. brevistriata''). | *''Pseudostaurosira brevistriata'' (Grunow) D.M. Williams – marine, littoral; diluted areas; benthic, periphyton; often (Бондарчук, 1970: as ''Fragilaria brevistriata'' Grunow). Freshwater; periphyton (Dressler, 2003: ''F. brevistriata''). | ||
| − | *''Pseudostaurosira'' cf. ''elliptica | + | *''Pseudostaurosira'' cf. ''elliptica'' - freshwater. Found in anaerobic zone of semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankt. of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
| + | *''Pseudostaurosira parasitica '' (W.Smith) E.Morales (earlier ''Fragillaria parasitica'', see above) – freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
| + | *''Pseudostaurosira subconstricta'' (Grunow) Kulikovskiy & Genkal 2011 (earlier''Fragilaria parasitica'' var. ''subconstricta'') - freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication). | ||
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| + | Genus ''Stauroforma'' Guide | ||
| + | *''Stauroforma atomus'' (old name ''Martyana atomus'', see above) (Hustedt) Talgatti, Wetzel, Morales & Torgan - freshwater. Plankt. in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023) and meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
| + | *''Stauroforma exiguiformis'' (Lange-Bertalot) Flower, Jones & Round - freshwater.; plankt. in meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
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Genus ''Staurosirella'' D. M. Williams & F. E. Round | Genus ''Staurosirella'' D. M. Williams & F. E. Round | ||
| − | *''Staurosirella pinnata'' (Ehrenberg) D.M. Williams & Round – freshwater; periphyton (Dressler, 2003: as ''Fragilaria pinnata'' Ehrenberg var. рinnata). Also found in anaerobic zone of semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023). | + | *''Staurosirella'' cf. ''martyi'' (Héribaud) Morales & Manoylov 2006 - freshwater; in plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
| + | *''Staurosirella pinnata'' (Ehrenberg) D.M. Williams & Round – freshwater; periphyton (Dressler, 2003: as ''Fragilaria pinnata'' Ehrenberg var. рinnata). Also found in anaerobic zone of semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023). In the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
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Genus ''Synedra'' Ehrenberg | Genus ''Synedra'' Ehrenberg | ||
*''Synedra camtschatica'' Grunow var. ''camtschatica'' – marine, littoral, sublittoral; periphyton; often (Бондарчук, 1970: ''S. kamtschatica'' Grun.; ''S. camtschatica'' var. ''finnmarchica'' Cleve & Grunow – together with type variation, less often). | *''Synedra camtschatica'' Grunow var. ''camtschatica'' – marine, littoral, sublittoral; periphyton; often (Бондарчук, 1970: ''S. kamtschatica'' Grun.; ''S. camtschatica'' var. ''finnmarchica'' Cleve & Grunow – together with type variation, less often). | ||
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*''Synedra famelica'' Kützing – marine, littoral, significantly diluted areas; sporadic (Бондарчук, 1970). | *''Synedra famelica'' Kützing – marine, littoral, significantly diluted areas; sporadic (Бондарчук, 1970). | ||
*''Synedra fulgens'' (Greville) W. Smith – marine, littoral, sublittoral; periphyton; rare (Бондарчук, 1970). | *''Synedra fulgens'' (Greville) W. Smith – marine, littoral, sublittoral; periphyton; rare (Бондарчук, 1970). | ||
| − | *''Synedra tabulata'' (C. Agardh) Kützing var. tabulata – marine, littoral, sublittoral; periphyton; everywhere, dominant (Бондарчук, 1970, 1971, 1980б). Marine; planktonic; spring (Конопля, 1971). Marine; planktonic (Конопля, 1974). | + | *!!!''Synedra tabulata'' (C. Agardh) Kützing (currently regarded as a synonym of ''Tabularia tabulata'' (C.Agardh) Snoeijs (see below)). |
| + | **!!!''Synedra tabulata'' (C. Agardh) Kützing var. tabulata – marine, littoral, sublittoral; periphyton; everywhere, dominant (Бондарчук, 1970, 1971, 1980б). Marine; planktonic; spring (Конопля, 1971). Marine; planktonic (Конопля, 1974). | ||
**''S. tabulata'' var. ''acuminata'' Grunow – together with type variation, less often (Бондарчук, 1970). | **''S. tabulata'' var. ''acuminata'' Grunow – together with type variation, less often (Бондарчук, 1970). | ||
**''S. tabulata'' var. ''affinis'' Rz. – littoral; rare (Бондарчук, 1970). | **''S. tabulata'' var. ''affinis'' Rz. – littoral; rare (Бондарчук, 1970). | ||
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**''S. ulna'' var. ''aequalis'' (Kützing) Hustedt – sporadic (Бондарчук, 1970). | **''S. ulna'' var. ''aequalis'' (Kützing) Hustedt – sporadic (Бондарчук, 1970). | ||
**''S. ulna'' var. ''danica'' (Kützing) Grunov – together with type variation; rare (Бондарчук, 1970). | **''S. ulna'' var. ''danica'' (Kützing) Grunov – together with type variation; rare (Бондарчук, 1970). | ||
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Genus ''Tabularia'' (F. T. Kützing) D. M. Williams & F. E. Round | Genus ''Tabularia'' (F. T. Kützing) D. M. Williams & F. E. Round | ||
*''Tabularia investiens'' (W. Smith) D. M. Williams & Round – marine, littoral, sublittoral; periphyton; everywhere, not abundant (Бондарчук, 1970: as ''Synedra investiens'' W. Smith). | *''Tabularia investiens'' (W. Smith) D. M. Williams & Round – marine, littoral, sublittoral; periphyton; everywhere, not abundant (Бондарчук, 1970: as ''Synedra investiens'' W. Smith). | ||
| + | *''Tabularia tabulata'' (C.Agardh) Snoeijs (former species name ''Synedra tabulata'' (see above) – marine, freshwater. Also in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
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Genus ''Ulnaria'' F. T. Kützing | Genus ''Ulnaria'' F. T. Kützing | ||
*''Ulnaria acus'' (Kützing) M. Aboal – marine, littoral, diluted areas; sporadic (Бондарчук, 1970: as ''Synedra acus'' Kützing). | *''Ulnaria acus'' (Kützing) M. Aboal – marine, littoral, diluted areas; sporadic (Бондарчук, 1970: as ''Synedra acus'' Kützing). | ||
| − | + | Genus ''Nanofrustulum'' F.E. Round, H. Hallsteinsen & E. Paasche | |
| + | *''Nanofrustulum trainorii'' (E.Morales) E.Morales - freshwater. In semi-isloated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankton of meromictic lake Trakhtzvetnoe (Mindolina, 2025). | ||
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| + | ===Семейство Staurosiraceae Guiry (2024)=== | ||
| + | Genus ''Nanofrustulum'' F.E. Round, H. Hallsteinsen & E. Paasche | ||
| + | *''Nanofrustulum trainorii'' (E.Morales) E.Morales - freshwater. In semi-isloated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankton of coastal meromictic lakes Trakhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication) and Elovoe (Nagaeva, 2025, personal communication). | ||
Latest revision as of 13:08, 15 April 2026
Family Fragilariaceae Greville
Genus Asterionella Hassall
- Asterionella formosa Hassall – freshwater; periphyton (Dressler, 2003).
- Asterionella gracillima (Hantzsch) Heiberg — planktonic, common, lakes
- Asterionella glacialis Castracane — marine, planktonic (Rat'kova, 2000).
Genus Catacombаs D. M. Williams & Round
- Catacombаs gaillonii (Bory de Saint-Vincent) D. M. Williams & Round – marine, littoral; single finding (Бондарчук, 1970: Synedra gaillonii (Bory de Saint-Vincent) Ehrenberg).
Genus Ceratoneis Ehrenberg
- Ceratoneis arcus Kützing – marine, littoral, diluted areas; sporadic (Бондарчук, 1970). Marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003).
- C. arcus var. lineari Holmboe – single finding in fouling (Бондарчук, 1970).
Genus Ctenophora (A. Grunow) D. M. Williams & Round
- Ctenophora pulchella (Ralfs ex Kützing) D. M. Williams & Round var. pulchella – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: Synedra pulchella Ralfs ex Kützing; S. pulchella var. lanceolata O'Meara – very rare, together with type variation).
Genus Diatoma Bory de Saint-Vincent
- Diatoma elongatum (Lyngbye) C. Agardh – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970).
- Diatoma hyemalе (Roth) Heiberg – marine, littoral, mouths of brooks; sporadic (Бондарчук, 1970).
- Diatoma moniliformis (Kützing) D.M.Williams - freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Diatoma tenuе C. A. Agardh (=Diatoma tenuis) – freshwater; periphyton (Dressler, 2003); in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication).
- Diatoma vulgare Bory de Saint-Vincent — planktonic,benthic, common, sublittoral, freshwater
Genus Fragilaria Lyngbye
- Fragilaria capucina Desmazières var. capucina – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003: F. capucina var. mesolepta Rabenhorst and F. capucina var. vaucheriae (Kützing) Lange-Bertalot).
- Fragilaria cf. capucina var. gracilis (Østrup) Hudsted – freshwater; periphyton (Dressler, 2003).
- Fragilaria construens (Ehrenberg) Grunow – marine, littoral; often in significantly diluted areas (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: as F. construens (Ehrenberg) Hudsted f. construens and F. construens f. venter (Ehrenberg) Grunow).
- Fragilaria crotonensis Kitton – marine, mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003); in plankton of meromictic lake Trekhtzvetnoe Ivanova, 2025, personal communication).
- Fragilaria hyalina (Kützing) Grunow ex Van Heurck – marine, littoral; benthic, periphyton; in some areas abundant (Бондарчук, 1970).
- Fragilaria islandica Grunow ex Van Heurck – marine; planktonic (Конопля, 1974). Marine; planktonic; dominant (Возжинская, 1975).
- !!!Fragilaria parasitica (W.Smith) Heiberg – currently regarded as a synonym of Pseudostaurosira parasitica (see below).
- !!!Fragilaria parasitica var. subconstricta Grunow in Van Heurck (F. parasitica is currently regarded as a synonym of Pseudostaurosira parasitica (see below)) – freshwater; periphyton (Dressler, 2003).
- Fragilaria striatula Lyngbye – marine; littoral; in some areas abundant, particularly in fouling of filamentous macrophytes (Бондарчук, 1970).
- Fragilaria tenera (W.Smith) Lange-Bertalot - freshwater; plankt.; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Fragilaria сf. tenera (W.Smith) Lange-Bertalot – freshwater; periphyton (Dressler, 2003); in plankton of meromictic lake Trekhtzvetnoe Ivanova, 2025, personal communication).
- Fragilaria ulna (Nitzsch) Lange-Bertalot – freshwater; periphyton (Dressler, 2003: as F. ulna var. ulna s.l. and F. ulna var. angustissima).
Genus Fragilariforma D. M. Williams & F. E. Round
- Fragilariforma virescens (Ralfs) D.M. Williams & Round – marine; littoral; benthic, periphyton; everywhere; not abundant (Бондарчук, 1970: as Fragilaria virescens Ralfs).
Genus Hannaea R. Patrick in R. Patrick & C. W. Reimer
- Hannaea arcus (Ehrenberg) Patrick — marine, planktonic (Rat'kova, 2000).
Genus Martyana F. E. Round in F. E. Round et al.
- !!!Martyana atomus (Héribaud-Joseph) Round, 1990 (relevant species name Stauroforma atomusmarine, see below) - freshwater. Found in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023) and meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Martyana martyi (Héribaud) F.E. Round – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970: as Opephora martyi Héribaud).
Genus Meridion C. Agardh
- Meridion circulare (Greville) C. Agardh – marine, littoral; sporadic in mouths of brooks (Бондарчук, 1970).
Genus Opephora P. Petit
- Opephora marina (Gregory) Petit var. marina – marine, littoral; benthic, periphyton; rare, everywhere (Бондарчук, 1970; O. marina var. minuta – together with type variation, but less often). Marine, littoral; benthic (Сабурова, 1995).
- Opephora mutabilis Sabbe & Wyverman – marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Pseudostaurosira D. M. Williams & F. E. Round
- Pseudostaurosira brevistriata (Grunow) D.M. Williams – marine, littoral; diluted areas; benthic, periphyton; often (Бондарчук, 1970: as Fragilaria brevistriata Grunow). Freshwater; periphyton (Dressler, 2003: F. brevistriata).
- Pseudostaurosira cf. elliptica - freshwater. Found in anaerobic zone of semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankt. of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Pseudostaurosira parasitica (W.Smith) E.Morales (earlier Fragillaria parasitica, see above) – freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Pseudostaurosira subconstricta (Grunow) Kulikovskiy & Genkal 2011 (earlierFragilaria parasitica var. subconstricta) - freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
Genus Stauroforma Guide
- Stauroforma atomus (old name Martyana atomus, see above) (Hustedt) Talgatti, Wetzel, Morales & Torgan - freshwater. Plankt. in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023) and meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Stauroforma exiguiformis (Lange-Bertalot) Flower, Jones & Round - freshwater.; plankt. in meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Staurosirella D. M. Williams & F. E. Round
- Staurosirella cf. martyi (Héribaud) Morales & Manoylov 2006 - freshwater; in plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Staurosirella pinnata (Ehrenberg) D.M. Williams & Round – freshwater; periphyton (Dressler, 2003: as Fragilaria pinnata Ehrenberg var. рinnata). Also found in anaerobic zone of semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023). In the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Synedra Ehrenberg
- Synedra camtschatica Grunow var. camtschatica – marine, littoral, sublittoral; periphyton; often (Бондарчук, 1970: S. kamtschatica Grun.; S. camtschatica var. finnmarchica Cleve & Grunow – together with type variation, less often).
- Synedra crystallina (C. Agardh) Kützing – marine, littoral; rare (Бондарчук, 1970).
- Synedra famelica Kützing – marine, littoral, significantly diluted areas; sporadic (Бондарчук, 1970).
- Synedra fulgens (Greville) W. Smith – marine, littoral, sublittoral; periphyton; rare (Бондарчук, 1970).
- !!!Synedra tabulata (C. Agardh) Kützing (currently regarded as a synonym of Tabularia tabulata (C.Agardh) Snoeijs (see below)).
- !!!Synedra tabulata (C. Agardh) Kützing var. tabulata – marine, littoral, sublittoral; periphyton; everywhere, dominant (Бондарчук, 1970, 1971, 1980б). Marine; planktonic; spring (Конопля, 1971). Marine; planktonic (Конопля, 1974).
- S. tabulata var. acuminata Grunow – together with type variation, less often (Бондарчук, 1970).
- S. tabulata var. affinis Rz. – littoral; rare (Бондарчук, 1970).
- S. tabulata var. grandis Mereschk. – littoral; in some areas often (Бондарчук, 1970).
- S. tabulata var. fasciculata (Kützing) Grunow – together with type variation, less often (Бондарчук, 1970).
- S. tabulata var. obtusa Rant. – together with type variation, rare (Бондарчук, 1970).
- S. tabulata var. parva (Kützing) Grunow – often, in some areas abundant (Бондарчук, 1970).
- Synedra tenera W. Smith – marine, littoral, significantly diluted areas; rare (Бондарчук, 1970).
- Synedra ulna (Nitzsch) Ehrenberg var. ulna – marine, littoral; rare (Бондарчук, 1970). Marine; mouth area of the Nilma River; planktonic; dominant (Лихачёва, 2003).
- S. ulna var. aequalis (Kützing) Hustedt – sporadic (Бондарчук, 1970).
- S. ulna var. danica (Kützing) Grunov – together with type variation; rare (Бондарчук, 1970).
Genus Tabularia (F. T. Kützing) D. M. Williams & F. E. Round
- Tabularia investiens (W. Smith) D. M. Williams & Round – marine, littoral, sublittoral; periphyton; everywhere, not abundant (Бондарчук, 1970: as Synedra investiens W. Smith).
- Tabularia tabulata (C.Agardh) Snoeijs (former species name Synedra tabulata (see above) – marine, freshwater. Also in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Ulnaria F. T. Kützing
- Ulnaria acus (Kützing) M. Aboal – marine, littoral, diluted areas; sporadic (Бондарчук, 1970: as Synedra acus Kützing).
Genus Nanofrustulum F.E. Round, H. Hallsteinsen & E. Paasche
- Nanofrustulum trainorii (E.Morales) E.Morales - freshwater. In semi-isloated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankton of meromictic lake Trakhtzvetnoe (Mindolina, 2025).
Семейство Staurosiraceae Guiry (2024)
Genus Nanofrustulum F.E. Round, H. Hallsteinsen & E. Paasche
- Nanofrustulum trainorii (E.Morales) E.Morales - freshwater. In semi-isloated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023); in plankton of coastal meromictic lakes Trakhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication) and Elovoe (Nagaeva, 2025, personal communication).
