Difference between revisions of "Order Achnanthales"
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===Family Achnanthaceae Kützing=== | ===Family Achnanthaceae Kützing=== | ||
| − | Genus Achnanthes Bory | + | Genus ''Achnanthes'' Bory |
| − | *Achnanthes arctica (Cleve) Cleve-Euler – marine, littoral; sporadic (Бондарчук, 1970). | + | *''Achnanthes arctica'' (Cleve) Cleve-Euler – marine, littoral; sporadic (Бондарчук, 1970). |
| − | *Achnanthes affinis Grunow – marine; area near the mouth of the Nilma river; planktonic; dominant. (Лихачёва, 2003). | + | *''Achnanthes affinis'' Grunow – marine; area near the mouth of the Nilma river; planktonic; dominant. (Лихачёва, 2003). |
| − | *Achnanthes altaica Poretzky — marine, littoral (Сапожников, 1998: as Amphora altaica Poretzky). | + | *''Achnanthes altaica'' Poretzky — marine, littoral (Сапожников, 1998: as ''Amphora altaica'' Poretzky). |
| − | *Achnanthes atacamae Hustedt — marine, littoral, common (Сапожников, 1998). | + | *''Achnanthes atacamae'' Hustedt — marine, littoral, common (Сапожников, 1998). |
| − | *Achnanthes bahusiensis (Grunow) Lange-Bertalot — marine, littoral (Сапожников, 1998: as Achnanthes pseudosolea Simonsen). | + | *''Achnanthes bahusiensis'' (Grunow) Lange-Bertalot — marine, littoral (Сапожников, 1998: as ''Achnanthes pseudosolea'' Simonsen). |
| − | *Achnanthes borealis A. Cleve — marine, littoral (Сапожников, 1998). | + | *''Achnanthes borealis'' A. Cleve — marine, littoral (Сапожников, 1998). |
| − | *Achnanthes brevipes C. Agardh var. brevipes – marine, littoral, diluted areas; benthic, periphyton; sporadic (Бондарчук, 1970). Littoral; benthic (Сабурова, 1995). | + | *''Achnanthes brevipes'' C. Agardh var. brevipes – marine, littoral, diluted areas; benthic, periphyton; sporadic (Бондарчук, 1970). Littoral; benthic (Сабурова, 1995). |
| − | A. brevipes var. angustata (Greville) Cleve – marine, littoral, diluted areas; sporadic (Бондарчук, 1970). | + | **''A. brevipes'' var. ''angustata'' (Greville) Cleve – marine, littoral, diluted areas; sporadic (Бондарчук, 1970). |
| − | A. brevipes var. intermedia (Kützing) Cleve – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970). | + | **''A. brevipes'' var. ''intermedia'' (Kützing) Cleve – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970). |
| − | *Achnanthes calcar (Cleve) Cleve — marine, littoral, dominant (Сапожников, 1998). | + | *''Achnanthes calcar'' (Cleve) Cleve — marine, littoral, dominant (Сапожников, 1998). |
| − | *Achnanthes clevei Grunow — marine, littoral, (Сапожников, 1998). | + | *''Achnanthes clevei'' Grunow — marine, littoral, (Сапожников, 1998). |
| − | *Achnanthes delicatula (Kützing) Grunow var. delicatula – marine, littoral; rare, sometimes dominant on diluted areas (Бондарчук, 1970). | + | *!!!''Achnanthes delicatula'' (Kützing) Grunow - New species name ''Planothidium delicatulum'' (Kützing) Round & Bukhtiyarova (see below). |
| − | A. delicatula var. wislouchii Poretzky – marine, littoral; benthic; dominant. (Сабурова, 1995). | + | **!!!''A. delicatula'' var. ''delicatula'' – marine, littoral; rare, sometimes dominant on diluted areas (Бондарчук, 1970). Also found in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
| − | *Achnanthes dispar Cleve var. dispar — marine, littoral, (Сапожников, 1998). | + | **!!!''A. delicatula'' var. ''wislouchii'' Poretzky – marine, littoral; benthic; dominant. (Сабурова, 1995). |
| − | Achnanthes dispar var. angustissima Jasnitsky — marine, littoral, (Сапожников, 1998). | + | *''Achnanthes dispar'' Cleve var. ''dispar'' — marine, littoral, (Сапожников, 1998). |
| − | Achnanthes dispar var. capitata Jasnitsky — marine, littoral, (Сапожников, 1998). | + | **''Achnanthes'' dispar var. ''angustissima'' Jasnitsky — marine, littoral, (Сапожников, 1998). |
| − | *Achnanthes exigua Grunow var. exigua – freshwater; periphyton (Dressler, 2003). | + | **''Achnanthes'' dispar var. ''capitata'' Jasnitsky — marine, littoral, (Сапожников, 1998). |
| − | *Achnanthes groenlandica (Cleve) Grunow – marine, sublittoral; periphyton; not abundant (Бондарчук, 1970). | + | *''Achnanthes exigua'' Grunow var. ''exigua'' – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes holsatica Hustedt – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes groenlandica'' (Cleve) Grunow – marine, sublittoral; periphyton; not abundant (Бондарчук, 1970). |
| − | *Achnanthes imperfecta Schimanski — marine, common, littoral, (Сапожников, 1998: as Navicula poconoensis A-G. C.). | + | *''Achnanthes holsatica'' Hustedt – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes | + | *''Achnanthes imperfecta'' Schimanski — marine, common, littoral, (Сапожников, 1998: as ''Navicula poconoensis'' A-G. C.). |
| − | *Achnanthes lacus-baicali Skvortzov — marine, littoral, (Сапожников, 1998). | + | *''Achnanthes inflat''a (Kützing) Grunow — planktonic, sporadic, Velikaya Salma (Бондарчук, 1963). |
| − | *Achnanthes laevis Østrup — periphyton, bogs, lakes, Kindo peninsula (Dressler, Hübener, 2002). | + | *''Achnanthes lacus-baicali'' Skvortzov — marine, littoral, (Сапожников, 1998). |
| − | *Achnanthes lanceolata (Brébisson ex Kützing) Grunow — epiphyte on Hydrurus foetidus, sporadic, brook from the Kindo peninsula watershed. | + | *''Achnanthes laevis'' Østrup — periphyton, bogs, lakes, Kindo peninsula (Dressler, Hübener, 2002). |
| − | *Achnanthes cf. lemmermannii Hustedt – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes lanceolata'' (Brébisson ex Kützing) Grunow — epiphyte on Hydrurus foetidus, sporadic, brook from the Kindo peninsula watershed. |
| − | *Achnanthes parvula Kützing – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970: A. brevipes var. parvula (Kützing) Cleve). | + | *''Achnanthes'' cf. ''lemmermannii'' Hustedt – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes levanderi Hustedt — marine, littoral (Сапожников, 1998). | + | *''Achnanthes parvula'' Kützing – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970: ''A. brevipes'' var. ''parvula'' (Kützing) Cleve). |
| − | *Achnanthes longipes C. Agardh — marine, littoral (Сапожников, 1998). | + | *''Achnanthes levanderi'' Hustedt — marine, littoral (Сапожников, 1998). |
| − | *Achnanthes microcephala (Kützing) Grunow — epiphyte on filamentous algae, streams, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake. | + | *''Achnanthes longipes'' C. Agardh — marine, littoral (Сапожников, 1998). |
| − | *Achnanthes oestrupii var. minuta Skvortsov — marine, littoral (Сапожников, 1998). | + | *''Achnanthes microcephala'' (Kützing) Grunow — epiphyte on filamentous algae, streams, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake. |
| − | *Achnanthes peragalli Brun & Héribaud – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes oestrupii'' var. ''minuta'' Skvortsov — marine, littoral (Сапожников, 1998). |
| − | *Achnanthes pseudoswazi J. R. Carter – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes peragalli'' Brun & Héribaud – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes rosenstockii Lange-Bertalot – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes pseudoswazi'' J. R. Carter – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes septata Cleve-Euler – marine, littoral; rare (Бондарчук, 1970). | + | *''Achnanthes rosenstockii'' Lange-Bertalot – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes subatomoides (Hustedt) Lange-Bertalot & Archibald – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthes septata'' Cleve-Euler – marine, littoral; rare (Бондарчук, 1970). |
| − | *Achnanthes submarina Hustedt — marine, littoral (Сапожников, 1998). | + | *''Achnanthes subatomoides'' (Hustedt) Lange-Bertalot & Archibald – freshwater; periphyton (Dressler, 2003). |
| − | *Achnanthes taeniata Grunow — marine, planktonic (Rat'kova, 2000). | + | *''Achnanthes submarina'' Hustedt — marine, littoral (Сапожников, 1998). |
| − | *Achnanthes thermalis (Rabenhorst) Schoenfeld — marine, littoral (Сапожников, 1998). | + | *''Achnanthes taeniata'' Grunow — marine, planktonic (Rat'kova, 2000). |
| − | Genus Eucocconeis P.T. Cleve ex F. Meister | + | *''Achnanthes thermalis'' (Rabenhorst) Schoenfeld — marine, littoral (Сапожников, 1998). |
| − | *Eucocconeis flexella (Kützing) Meister – freshwater; periphyton (Dressler, 2003). | + | Genus ''Achnanthidium'' Kützing |
| − | *Eucocconeis laevis (Østrup) H. Lange-Bertalot – freshwater; periphyton (Dressler, 2003). | + | *''Achnanthidium minutissimum'' (Kützing) Czarnecki 1994 - freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). |
| − | Genus Planothidium F.E. Round & L. Bukhtiyarova | + | Genus ''Eucocconeis'' P.T. Cleve ex F. Meister |
| − | *Planothidium conspicuum (A. Mayer) M. Aboal – marine, littoral; benthic; dominant. (Сабурова, 1995: as Achnanthes pinnata Hustedt). Freshwater; periphyton (Dressler, 2003: as Achnanthes conspicua Mayer). | + | *''Eucocconeis flexella'' (Kützing) Meister – freshwater; periphyton (Dressler, 2003). |
| − | *Planothidium lanceolatum (Brébisson ex Kützing) F. E. Round & L. Bukhtiyarova – marine, littoral; diluted areas; in some areas not rare (Бондарчук, 1970: as Achnanthes lanceolata (Brébisson ex Kützing) Grunow; A. lanceolata var. elliptica Cleve – in mouths of brooks, rare). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998: as A. lanceolata). | + | *''Eucocconeis laevis'' (Østrup) H. Lange-Bertalot – freshwater; periphyton (Dressler, 2003). |
| + | Genus ''Planothidium'' F.E. Round & L. Bukhtiyarova | ||
| + | *''Planothidium conspicuum ''(A. Mayer) M. Aboal – marine, littoral; benthic; dominant. (Сабурова, 1995: as Achnanthes pinnata Hustedt). Freshwater; periphyton (Dressler, 2003: as ''Achnanthes conspicua'' Mayer). | ||
| + | *''Planothidium delicatulum'' (Kützing) Round & Bukhtiyarova – renamed from ''Achnanthes delicatula'' (see above). – Freshwater, brackish, marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
| + | *''Planothidium lanceolatum ''(Brébisson ex Kützing) F. E. Round & L. Bukhtiyarova – marine, littoral; diluted areas; in some areas not rare (Бондарчук, 1970: as ''Achnanthes lanceolata'' (Brébisson ex Kützing) Grunow; ''A. lanceolata'' var. ''elliptica'' Cleve – in mouths of brooks, rare). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998: as ''A. lanceolata''). | ||
===Family Achnanthidiaceae D. G. Mann in F. E. Round et al.=== | ===Family Achnanthidiaceae D. G. Mann in F. E. Round et al.=== | ||
Genus ''Achnanthidium'' Kützing | Genus ''Achnanthidium'' Kützing | ||
| − | *''Achnanthidium minutissimum''(Kützing) Czarnecki – freshwater; periphyton (Dressler, 2003: ''A. minutissima'' Kützing). | + | *''Achnanthidium minutissimum'' (Kützing) Czarnecki – freshwater; periphyton (Dressler, 2003: ''A. minutissima'' Kützing). |
| + | Genus ''Platessa'' Lange-Bertalot | ||
| + | *''Platessa conspicua'' (A.Mayer) Lange-Bertalot – freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
Genus ''Rossithidium'' F. E. Round & L. Bukhtiyarova | Genus ''Rossithidium'' F. E. Round & L. Bukhtiyarova | ||
*''Rossithidium petersenii'' (Hustedt) Round & Bukhtiyarova ex Aboal – freshwater; periphyton (Dressler, 2003: as ''Achnanthes petersenii'' Hustedt). | *''Rossithidium petersenii'' (Hustedt) Round & Bukhtiyarova ex Aboal – freshwater; periphyton (Dressler, 2003: as ''Achnanthes petersenii'' Hustedt). | ||
| − | *''Rossithidium pusillum'' (Grunow) Round & L. Bukhtiyarova – freshwater; periphyton (Dressler, 2003: ''Achnanthes pusilla'' Grunow). | + | *''Rossithidium pusillum'' (Grunow) Round & L. Bukhtiyarova – freshwater; periphyton (Dressler, 2003: ''Achnanthes pusilla'' Grunow). In plankt. of meromictic lake Trekhtzvetnoe (Mindolina, 2025) |
===Family Cocconeidaceae Kützing=== | ===Family Cocconeidaceae Kützing=== | ||
Genus ''Cocconeis'' C.G. Ehrenberg | Genus ''Cocconeis'' C.G. Ehrenberg | ||
*''Cocconeis californica'' Grunow – marine, sublittoral; benthic, periphyton; rare (Бондарчук, 1970). | *''Cocconeis californica'' Grunow – marine, sublittoral; benthic, periphyton; rare (Бондарчук, 1970). | ||
| − | *''Cocconeis clandestina'' A. Schmidt — fouling of macrophytes, littoral | + | *''Cocconeis clandestina'' A. Schmidt — fouling of macrophytes, littoral. |
*''Cocconeis costata'' Gregory – marine, littoral, sublittoral; dominant (Бондарчук, 1970). Marine, littoral, sublittoral; periphyton; dominant (Бондарчук, 1971). Marine, littoral; benthic (Сабурова, 1995). Marine, littoral, sublittoral; periphyton (Сапожников, 1996). | *''Cocconeis costata'' Gregory – marine, littoral, sublittoral; dominant (Бондарчук, 1970). Marine, littoral, sublittoral; periphyton; dominant (Бондарчук, 1971). Marine, littoral; benthic (Сабурова, 1995). Marine, littoral, sublittoral; periphyton (Сапожников, 1996). | ||
*''Cocconeis decipien'' P. T. Cleve – marine, littoral; rare (Бондарчук, 1970). | *''Cocconeis decipien'' P. T. Cleve – marine, littoral; rare (Бондарчук, 1970). | ||
*''Cocconeis dirupta'' Gregory – marine, littoral; rare (Бондарчук, 1970). | *''Cocconeis dirupta'' Gregory – marine, littoral; rare (Бондарчук, 1970). | ||
*''Cocconeis disculus'' (Schumann) Cleve — on green filamentous algae, streams, Vodoprovodnoye (Potable water) Lake. | *''Cocconeis disculus'' (Schumann) Cleve — on green filamentous algae, streams, Vodoprovodnoye (Potable water) Lake. | ||
| + | *''Cocconeis lineata'' Ehrenberg 1849 – freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025). | ||
*''Cocconeis notata'' Petit – marine, littoral, Rugozerskaya Bay; rare (Бондарчук, 1970). | *''Cocconeis notata'' Petit – marine, littoral, Rugozerskaya Bay; rare (Бондарчук, 1970). | ||
*''Cocconeis pediculus'' Ehrenberg f. pediculus – marine, littoral; rare, everywhere (Бондарчук, 1970). | *''Cocconeis pediculus'' Ehrenberg f. pediculus – marine, littoral; rare, everywhere (Бондарчук, 1970). | ||
| − | ''C. pediculus'' f. ''abruptus'' O. S. Korotkevich – marine, littoral; very rare, together with the type form (Бондарчук, 1970). | + | **''C. pediculus'' f. ''abruptus'' O. S. Korotkevich – marine, littoral; very rare, together with the type form (Бондарчук, 1970). |
*''Cocconeis placentula'' Ehrenberg var. ''placentula ''– marine, littoral; rare (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: C. placentula var. lineata (Ehrenberg) P. Cleve and C. placentula Ehrenberg var. placentula). | *''Cocconeis placentula'' Ehrenberg var. ''placentula ''– marine, littoral; rare (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: C. placentula var. lineata (Ehrenberg) P. Cleve and C. placentula Ehrenberg var. placentula). | ||
| − | ''C. placentula'' var. ''euglypta'' (Ehrenberg) Cleve – marine, littoral; very rare together with the type variation (Бондарчук, 1970). Also in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023). | + | **''C. placentula'' var. ''euglypta'' (Ehrenberg) Cleve – marine, littoral; very rare together with the type variation (Бондарчук, 1970). Also in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023). |
*''Cocconeis pseudomarginata'' Gregory – marine, littoral; sporadic (Бондарчук, 1970). | *''Cocconeis pseudomarginata'' Gregory – marine, littoral; sporadic (Бондарчук, 1970). | ||
*''Cocconeis quarnerensis'' (Grunow) A. Schmidt – marine, littoral, Rugozerskaya Bay; sporadic (Бондарчук, 1970). | *''Cocconeis quarnerensis'' (Grunow) A. Schmidt – marine, littoral, Rugozerskaya Bay; sporadic (Бондарчук, 1970). | ||
*''Cocconeis scutellum'' Ehrenberg var. ''scutellum'' – marine, littoral; periphyton; dominant, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974). Marine, littoral; benthic; dominant. (Сабурова, 1995). Marine, littoral; periphyton; dominant (Сапожников, 1996: ''C. scutellum'' var. ''parva'' (Grunow) Cleve and ''C. scutellum'' var. ''stauroneiformis'' W. Smith). Freshwater; periphyton (Dressler, 2003: ''C. scutellum'' var. ''scutellum'' Ehrenberg). | *''Cocconeis scutellum'' Ehrenberg var. ''scutellum'' – marine, littoral; periphyton; dominant, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974). Marine, littoral; benthic; dominant. (Сабурова, 1995). Marine, littoral; periphyton; dominant (Сапожников, 1996: ''C. scutellum'' var. ''parva'' (Grunow) Cleve and ''C. scutellum'' var. ''stauroneiformis'' W. Smith). Freshwater; periphyton (Dressler, 2003: ''C. scutellum'' var. ''scutellum'' Ehrenberg). | ||
| − | ''C. scutellum'' var. ''minutissima'' Grunow – marine, littoral; together with the type variation, sometimes abundant (Бондарчук, 1970). | + | **''C. scutellum'' var. ''minutissima'' Grunow – marine, littoral; together with the type variation, sometimes abundant (Бондарчук, 1970). |
| − | ''C. scutellum'' var. ''parva'' (Grunow) Cleve – marine, littoral; not rare, together with the type variation (Бондарчук, 1970). | + | **''C. scutellum'' var. ''parva'' (Grunow) Cleve – marine, littoral; not rare, together with the type variation (Бондарчук, 1970). |
| − | ''C. scutellum'' var. ''stauroneiformis'' W. Smith – marine, littoral; everywhere, in some areas abundant (Бондарчук, 1970). | + | **''C. scutellum'' var. ''stauroneiformis'' W. Smith – marine, littoral; everywhere, in some areas abundant (Бондарчук, 1970). |
*''Cocconeis vitrea'' J.-J. Brun var. vitrea – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). | *''Cocconeis vitrea'' J.-J. Brun var. vitrea – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). | ||
| − | ''C. vitrea'' var. ''verrucosa'' (J.-J. Brun) P.T. Cleve – marine, littoral; together with the type variation (Бондарчук, 1970). | + | **''C. vitrea'' var. ''verrucosa'' (J.-J. Brun) P.T. Cleve – marine, littoral; together with the type variation (Бондарчук, 1970). |
[[rus: Порядок Achnanthales]] | [[rus: Порядок Achnanthales]] | ||
Latest revision as of 15:45, 4 August 2025
Family Achnanthaceae Kützing
Genus Achnanthes Bory
- Achnanthes arctica (Cleve) Cleve-Euler – marine, littoral; sporadic (Бондарчук, 1970).
- Achnanthes affinis Grunow – marine; area near the mouth of the Nilma river; planktonic; dominant. (Лихачёва, 2003).
- Achnanthes altaica Poretzky — marine, littoral (Сапожников, 1998: as Amphora altaica Poretzky).
- Achnanthes atacamae Hustedt — marine, littoral, common (Сапожников, 1998).
- Achnanthes bahusiensis (Grunow) Lange-Bertalot — marine, littoral (Сапожников, 1998: as Achnanthes pseudosolea Simonsen).
- Achnanthes borealis A. Cleve — marine, littoral (Сапожников, 1998).
- Achnanthes brevipes C. Agardh var. brevipes – marine, littoral, diluted areas; benthic, periphyton; sporadic (Бондарчук, 1970). Littoral; benthic (Сабурова, 1995).
- A. brevipes var. angustata (Greville) Cleve – marine, littoral, diluted areas; sporadic (Бондарчук, 1970).
- A. brevipes var. intermedia (Kützing) Cleve – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970).
- Achnanthes calcar (Cleve) Cleve — marine, littoral, dominant (Сапожников, 1998).
- Achnanthes clevei Grunow — marine, littoral, (Сапожников, 1998).
- !!!Achnanthes delicatula (Kützing) Grunow - New species name Planothidium delicatulum (Kützing) Round & Bukhtiyarova (see below).
- !!!A. delicatula var. delicatula – marine, littoral; rare, sometimes dominant on diluted areas (Бондарчук, 1970). Also found in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- !!!A. delicatula var. wislouchii Poretzky – marine, littoral; benthic; dominant. (Сабурова, 1995).
- Achnanthes dispar Cleve var. dispar — marine, littoral, (Сапожников, 1998).
- Achnanthes dispar var. angustissima Jasnitsky — marine, littoral, (Сапожников, 1998).
- Achnanthes dispar var. capitata Jasnitsky — marine, littoral, (Сапожников, 1998).
- Achnanthes exigua Grunow var. exigua – freshwater; periphyton (Dressler, 2003).
- Achnanthes groenlandica (Cleve) Grunow – marine, sublittoral; periphyton; not abundant (Бондарчук, 1970).
- Achnanthes holsatica Hustedt – freshwater; periphyton (Dressler, 2003).
- Achnanthes imperfecta Schimanski — marine, common, littoral, (Сапожников, 1998: as Navicula poconoensis A-G. C.).
- Achnanthes inflata (Kützing) Grunow — planktonic, sporadic, Velikaya Salma (Бондарчук, 1963).
- Achnanthes lacus-baicali Skvortzov — marine, littoral, (Сапожников, 1998).
- Achnanthes laevis Østrup — periphyton, bogs, lakes, Kindo peninsula (Dressler, Hübener, 2002).
- Achnanthes lanceolata (Brébisson ex Kützing) Grunow — epiphyte on Hydrurus foetidus, sporadic, brook from the Kindo peninsula watershed.
- Achnanthes cf. lemmermannii Hustedt – freshwater; periphyton (Dressler, 2003).
- Achnanthes parvula Kützing – marine, littoral, sublittoral; not rare, in some areas abundant (Бондарчук, 1970: A. brevipes var. parvula (Kützing) Cleve).
- Achnanthes levanderi Hustedt — marine, littoral (Сапожников, 1998).
- Achnanthes longipes C. Agardh — marine, littoral (Сапожников, 1998).
- Achnanthes microcephala (Kützing) Grunow — epiphyte on filamentous algae, streams, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake.
- Achnanthes oestrupii var. minuta Skvortsov — marine, littoral (Сапожников, 1998).
- Achnanthes peragalli Brun & Héribaud – freshwater; periphyton (Dressler, 2003).
- Achnanthes pseudoswazi J. R. Carter – freshwater; periphyton (Dressler, 2003).
- Achnanthes rosenstockii Lange-Bertalot – freshwater; periphyton (Dressler, 2003).
- Achnanthes septata Cleve-Euler – marine, littoral; rare (Бондарчук, 1970).
- Achnanthes subatomoides (Hustedt) Lange-Bertalot & Archibald – freshwater; periphyton (Dressler, 2003).
- Achnanthes submarina Hustedt — marine, littoral (Сапожников, 1998).
- Achnanthes taeniata Grunow — marine, planktonic (Rat'kova, 2000).
- Achnanthes thermalis (Rabenhorst) Schoenfeld — marine, littoral (Сапожников, 1998).
Genus Achnanthidium Kützing
- Achnanthidium minutissimum (Kützing) Czarnecki 1994 - freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Eucocconeis P.T. Cleve ex F. Meister
- Eucocconeis flexella (Kützing) Meister – freshwater; periphyton (Dressler, 2003).
- Eucocconeis laevis (Østrup) H. Lange-Bertalot – freshwater; periphyton (Dressler, 2003).
Genus Planothidium F.E. Round & L. Bukhtiyarova
- Planothidium conspicuum (A. Mayer) M. Aboal – marine, littoral; benthic; dominant. (Сабурова, 1995: as Achnanthes pinnata Hustedt). Freshwater; periphyton (Dressler, 2003: as Achnanthes conspicua Mayer).
- Planothidium delicatulum (Kützing) Round & Bukhtiyarova – renamed from Achnanthes delicatula (see above). – Freshwater, brackish, marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Planothidium lanceolatum (Brébisson ex Kützing) F. E. Round & L. Bukhtiyarova – marine, littoral; diluted areas; in some areas not rare (Бондарчук, 1970: as Achnanthes lanceolata (Brébisson ex Kützing) Grunow; A. lanceolata var. elliptica Cleve – in mouths of brooks, rare). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998: as A. lanceolata).
Family Achnanthidiaceae D. G. Mann in F. E. Round et al.
Genus Achnanthidium Kützing
- Achnanthidium minutissimum (Kützing) Czarnecki – freshwater; periphyton (Dressler, 2003: A. minutissima Kützing).
Genus Platessa Lange-Bertalot
- Platessa conspicua (A.Mayer) Lange-Bertalot – freshwater; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
Genus Rossithidium F. E. Round & L. Bukhtiyarova
- Rossithidium petersenii (Hustedt) Round & Bukhtiyarova ex Aboal – freshwater; periphyton (Dressler, 2003: as Achnanthes petersenii Hustedt).
- Rossithidium pusillum (Grunow) Round & L. Bukhtiyarova – freshwater; periphyton (Dressler, 2003: Achnanthes pusilla Grunow). In plankt. of meromictic lake Trekhtzvetnoe (Mindolina, 2025)
Family Cocconeidaceae Kützing
Genus Cocconeis C.G. Ehrenberg
- Cocconeis californica Grunow – marine, sublittoral; benthic, periphyton; rare (Бондарчук, 1970).
- Cocconeis clandestina A. Schmidt — fouling of macrophytes, littoral.
- Cocconeis costata Gregory – marine, littoral, sublittoral; dominant (Бондарчук, 1970). Marine, littoral, sublittoral; periphyton; dominant (Бондарчук, 1971). Marine, littoral; benthic (Сабурова, 1995). Marine, littoral, sublittoral; periphyton (Сапожников, 1996).
- Cocconeis decipien P. T. Cleve – marine, littoral; rare (Бондарчук, 1970).
- Cocconeis dirupta Gregory – marine, littoral; rare (Бондарчук, 1970).
- Cocconeis disculus (Schumann) Cleve — on green filamentous algae, streams, Vodoprovodnoye (Potable water) Lake.
- Cocconeis lineata Ehrenberg 1849 – freshwater, periphyton; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
- Cocconeis notata Petit – marine, littoral, Rugozerskaya Bay; rare (Бондарчук, 1970).
- Cocconeis pediculus Ehrenberg f. pediculus – marine, littoral; rare, everywhere (Бондарчук, 1970).
- C. pediculus f. abruptus O. S. Korotkevich – marine, littoral; very rare, together with the type form (Бондарчук, 1970).
- Cocconeis placentula Ehrenberg var. placentula – marine, littoral; rare (Бондарчук, 1970). Freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998). Freshwater; periphyton (Dressler, 2003: C. placentula var. lineata (Ehrenberg) P. Cleve and C. placentula Ehrenberg var. placentula).
- C. placentula var. euglypta (Ehrenberg) Cleve – marine, littoral; very rare together with the type variation (Бондарчук, 1970). Also in semi-isolated coastal stratified lake Kislo-Sladkoe (Mindolina et al., 2023).
- Cocconeis pseudomarginata Gregory – marine, littoral; sporadic (Бондарчук, 1970).
- Cocconeis quarnerensis (Grunow) A. Schmidt – marine, littoral, Rugozerskaya Bay; sporadic (Бондарчук, 1970).
- Cocconeis scutellum Ehrenberg var. scutellum – marine, littoral; periphyton; dominant, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974). Marine, littoral; benthic; dominant. (Сабурова, 1995). Marine, littoral; periphyton; dominant (Сапожников, 1996: C. scutellum var. parva (Grunow) Cleve and C. scutellum var. stauroneiformis W. Smith). Freshwater; periphyton (Dressler, 2003: C. scutellum var. scutellum Ehrenberg).
- C. scutellum var. minutissima Grunow – marine, littoral; together with the type variation, sometimes abundant (Бондарчук, 1970).
- C. scutellum var. parva (Grunow) Cleve – marine, littoral; not rare, together with the type variation (Бондарчук, 1970).
- C. scutellum var. stauroneiformis W. Smith – marine, littoral; everywhere, in some areas abundant (Бондарчук, 1970).
- Cocconeis vitrea J.-J. Brun var. vitrea – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970).
- C. vitrea var. verrucosa (J.-J. Brun) P.T. Cleve – marine, littoral; together with the type variation (Бондарчук, 1970).
