Order Thalassiosirales - Revision history

Testadmin: /* Family 'Thalassiosiraceae */

2025-11-07T19:20:29Z

Family 'Thalassiosiraceae

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2025-11-07T19:19:35Z

Family Stephanodiscaceae Glezer & Makarova

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2025-08-03T17:39:15Z

Family Stephanodiscaceae Glezer & Makarova

Testadmin: /* Family 'Thalassiosiraceae */

2025-08-01T12:02:55Z

Family 'Thalassiosiraceae

Testadmin: /* Family 'Thalassiosiraceae */

2025-08-01T12:02:20Z

Family 'Thalassiosiraceae

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2025-08-01T11:55:46Z

Family Stephanodiscaceae Glezer & Makarova

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2025-08-01T11:55:26Z

Family Stephanodiscaceae Glezer & Makarova

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2025-08-01T11:53:06Z

Family Stephanodiscaceae Glezer & Makarova

Testadmin at 21:42, 5 January 2023

2023-01-05T21:42:28Z

Testadmin: /* Family Stephanodiscaceae Glezer & Makarova */

2023-01-05T21:40:22Z

Family Stephanodiscaceae Glezer & Makarova

@@ Line 57: / Line 57: @@
 *''Thalassiosira'' cf. ''lineoides'' Herzig & Fryxell — marine, planktonic (Rat'kova, 2000).
 *''Thalassiosira nordenskioeldii'' Cleve – marine, littoral; sporadic, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974; Сёмина, Сергеева, 1983).
-*''Thalassiosira pseudonana'' Hasle & Heimdal – marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
+*''Thalassiosira pseudonana'' Hasle & Heimdal – marine; in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication).
 [[rus: Порядок Thalassiosirales]]

@@ Line 31: / Line 31: @@
 Genus ''Stephanocyclus Skabichevskij''
-*''Stephanocyclus meneghinianus'' (Kützing) Skabitschevsky (renamed from ''Cyclotella meneghiniana'' Kützing, see above: marine, litoral; benthic, periphyton; ед. (Бондарчук, 1970). Sea, estuarine zone of Nilma river; plankt.; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003).)) Also  found in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
+*''Stephanocyclus meneghinianus'' (Kützing) Skabitschevsky (renamed from ''Cyclotella meneghiniana'' Kützing, see above: marine, litoral; benthic, periphyton; ед. (Бондарчук, 1970). Sea, estuarine zone of Nilma river; plankt.; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003).)) Also  found in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025; Ivanova, 2025, personal communication).
 Genus ''Stephanodiscus'' Ehrenberg

@@ Line 16: / Line 16: @@
 Genus ''Cyclotella'' (Kützing) Brébisson, 1838
 *''Cyclotella antiqua'' W. Smith – freshwater; periphyton (Dressler, 2003).
-*''Cyclotella choctawhatcheeana'' Prasad, 1990 - marine, plankton. Found in semi-isolated coastal stratified lake Kislo-Sladkoe, at the depth of 0 to 2–2.5 m (Mindolina et al., 2023).
+*''Cyclotella choctawhatcheeana'' Prasad, 1990 - marine, plankton. Found in semi-isolated coastal stratified lake Kislo-Sladkoe, at the depth of 0 to 2–2.5 m (Mindolina et al., 2023), and in meromictic lake Trekhtzvetnoe (Mindolina, 2025).
 *''Cyclotella comensis'' Grunow – freshwater; periphyton (Dressler, 2003).
 *''Cyclotella comta'' (Ehrenberg) Kützing – marine, littoral; diluted areas; rare (Бондарчук, 1970). Marine, area near the mouth of the Nilma river; planktonic; dominant (Лихачёва, 2003).

@@ Line 43: / Line 43: @@
 Genus ''Thalassiosira'' Cleve
 *''Thalassiosira angulata'' (Gregory) Hasle (=Th. decipiens (Grunow) E. G. Jørgensen) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
-*''Thalassiosira anguste-lineata'' (A. Schmidt) G. Fryxell & Hasle (=Coscinosira polychorda (Gran) Gran) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
+*''Thalassiosira anguste-lineata'' (A. Schmidt) G. Fryxell & Hasle (=''Coscinosira polychorda'' (Gran) Gran) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
-*''Thalassiosira antarctica'' Comber (Rat'kova, 2000: as Thalassiosira antarctica var. borealis G. Fryxell et al.).
+*''Thalassiosira antarctica'' Comber (Rat'kova, 2000: as ''Thalassiosira antarctica'' var. ''borealis'' G. Fryxell et al.).
 *''Thalassiosira baltica'' (Grunow) Ostenfeld — planktonic, rare, Rugozerskaya Bay
 *''Thalassiosira bioculata'' (Grunow) Ostenfeld – marine; planktonic (Конопля, 1974).
@@ Line 54: / Line 54: @@
 *''Thalassiosira hyperborea'' (Grunow) Hasle & Lange — marine, planktonic (Rat'kova, 2000).
 *''Thalassiosira kushirensis'' — marine, planktonic (Rat'kova, 2000).
-*''Thalassiosira leptopus'' (Grunow ex Van Heurck) Hasle & G. Fryxell – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970: as Coscinodiscus lineatus Ehrenberg).
+*''Thalassiosira leptopus'' (Grunow ex Van Heurck) Hasle & G. Fryxell – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970: as ''Coscinodiscus lineatus'' Ehrenberg).
 *''Thalassiosira'' cf. ''lineoides'' Herzig & Fryxell — marine, planktonic (Rat'kova, 2000).
 *''Thalassiosira nordenskioeldii'' Cleve – marine, littoral; sporadic, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974; Сёмина, Сергеева, 1983).

@@ Line 57: / Line 57: @@
 *''Thalassiosira'' cf. ''lineoides'' Herzig & Fryxell — marine, planktonic (Rat'kova, 2000).
 *''Thalassiosira nordenskioeldii'' Cleve – marine, littoral; sporadic, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974; Сёмина, Сергеева, 1983).
 [[rus: Порядок Thalassiosirales]]

@@ Line 30: / Line 30: @@
 *''Cyclotella striata'' (Kützing) Grunow — marine, planktonic (Rat'kova, 2000); planktonic, sporadic, Verkhneye (Upper) Lake.
-*Genus ''Stephanocyclus Skabichevskij''
+Genus ''Stephanocyclus Skabichevskij''
 *''Stephanocyclus meneghinianus'' (Kützing) Skabitschevsky (renamed from ''Cyclotella meneghiniana'' Kützing, see above: marine, litoral; benthic, periphyton; ед. (Бондарчук, 1970). Sea, estuarine zone of Nilma river; plankt.; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003).)) Also  found in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).

@@ Line 29: / Line 29: @@
 *''Cyclotella stelligera'' Cleve & Grunow – marine, littoral; diluted areas; sporadic (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003).
 *''Cyclotella striata'' (Kützing) Grunow — marine, planktonic (Rat'kova, 2000); planktonic, sporadic, Verkhneye (Upper) Lake.
 Genus ''Stephanodiscus'' Ehrenberg
 *''Stephanodiscus astraea'' (Kützing) Grunow – marine, littoral; diluted areas; rare (Бондарчук, 1970).

@@ Line 21: / Line 21: @@
 *''Cyclotella kuetzingiana'' Thwaites – marine, littoral; diluted areas; rare (Бондарчук, 1970).
 *''Cyclotella litoralis'' Lange & Syvertsen — marine, planktonic (Rat'kova, 2000).
-*''Cyclotella meneghiniana'' Kützing – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970). Marine, area near the mouth of the Nilma river; planktonic; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003). Laso in semi-isolated coastal stratified lake Kislo-Sladkoe, at a depth of 0 to 2–2.5 m (Mindolina et al., 2023).
+*!!!''Cyclotella meneghiniana'' Kützing (currently is regarded as ''Stephanocyclus meneghinianus'' (Kützing) Kulikovskiy, Genkal & Kociolek 2022) – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970). Marine, area near the mouth of the Nilma river; planktonic; dominant (Лихачёва, 2003). Freshwater; periphyton (Dressler, 2003). Laso in semi-isolated coastal stratified lake Kislo-Sladkoe, at a depth of 0 to 2–2.5 m (Mindolina et al., 2023). ''S. meneghinianus'' was found also  in the plankton of meromictic lake Trekhtzvetnoe (Mindolina, 2025).
 *''Cyclotella cf. michiganiana'' Skvortzov – freshwater; periphyton (Dressler, 2003).
 *''Cyclotella ocellata'' Pantocsek – freshwater; periphyton (Dressler, 2003).

@@ Line 1: / Line 1: @@
 ===Family Lauderiaceae (Schütt) Lemmermann===
-Genus Bacterosira Gran
+Genus ''Bacterosira'' Gran
-*Bactеrosira bathyomphala (Cleve) E. E. Sylversten & G. R. Hasle – marine; planktonic; dominant; typical in late spring (Конопля, 1974: as B. fragilis Gran; marine; planktonic (Сёмина, Сергеева, 1983: as B. fragilis).
+*''Bactеrosira bathyomphala'' (Cleve) E. E. Sylversten & G. R. Hasle – marine; planktonic; dominant; typical in late spring (Конопля, 1974: as B. fragilis Gran; marine; planktonic (Сёмина, Сергеева, 1983: as B. fragilis).
-Genus Lauderia Cleve
+Genus ''Lauderia'' Cleve
-*Lauderia annulata Cleve – marine; planktonic; typical in late spring; dominant in autumn (Конопля, 1974: as Lauderia borealis Gran)
+*''Lauderia annulata'' Cleve – marine; planktonic; typical in late spring; dominant in autumn (Конопля, 1974: as Lauderia borealis Gran)
-===Family Skeletonematacae Lebour===
+===Family ''Skeletonematacae'' Lebour===
-Genus Detonula Schütt
+Genus ''Detonula'' Schütt
-*Detonula confervacea (Cleve) Gran – marine; planktonic (Конопля, 1974; Rat'kova, 2000).
+*''Detonula confervacea'' (Cleve) Gran – marine; planktonic (Конопля, 1974; Rat'kova, 2000).
-Genus Skeletonema Greville
+Genus ''Skeletonema'' Greville
-*Skeletonema costatum (Greville) Cleve – marine; planktonic; dominant (Конопля, 1971). Marine; planktonic; typical in summer, dominant in July (Конопля, 1974). Marine; planktonic (Сёмина, Сергеева, 1983).
+*''Skeletonema costatum'' (Greville) Cleve – marine; planktonic; dominant (Конопля, 1971). Marine; planktonic; typical in summer, dominant in July (Конопля, 1974). Marine; planktonic (Сёмина, Сергеева, 1983).
-===Family Stephanodiscaceae Glezer & Makarova===
+===Family ''Stephanodiscaceae'' Glezer & Makarova===
 Genus ''Cyclostephanos'' Round
 *''Cyclostephanos dubius'' (Fricke) Round in Theriot et al. – freshwater; periphyton (Dressler, 2003).
@@ Line 34: / Line 34: @@
 *''Stephanodiscus neoastraea'' Håkansson & Hickel – freshwater; periphyton (Dressler, 2003).
-===Family Thalassiosiraceae===
+===Family 'Thalassiosiraceae===
-Genus Porosira Jørgensen
+Genus ''Porosira'' Jørgensen
-*Porosira glacialis (Grunow) Jørgensen – marine; planktonic (Конопля, 1974).
+*''Porosira glacialis'' (Grunow) Jørgensen – marine; planktonic (Конопля, 1974).
-Genus Thalassiosira Cleve
+Genus ''Thalassiosira'' Cleve
-*Thalassiosira angulata (Gregory) Hasle (=Th. decipiens (Grunow) E. G. Jørgensen) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
+*''Thalassiosira angulata'' (Gregory) Hasle (=Th. decipiens (Grunow) E. G. Jørgensen) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
-*Thalassiosira anguste-lineata (A. Schmidt) G. Fryxell & Hasle (=Coscinosira polychorda (Gran) Gran) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
+*''Thalassiosira anguste-lineata'' (A. Schmidt) G. Fryxell & Hasle (=Coscinosira polychorda (Gran) Gran) – marine, littoral; sporadic (Бондарчук, 1970). Marine; planktonic (Конопля, 1974).
-*Thalassiosira antarctica Comber (Rat'kova, 2000: as Thalassiosira antarctica var. borealis G. Fryxell et al.).
+*''Thalassiosira antarctica'' Comber (Rat'kova, 2000: as Thalassiosira antarctica var. borealis G. Fryxell et al.).
-*Thalassiosira baltica (Grunow) Ostenfeld — planktonic, rare, Rugozerskaya Bay
+*''Thalassiosira baltica'' (Grunow) Ostenfeld — planktonic, rare, Rugozerskaya Bay
-*Thalassiosira bioculata (Grunow) Ostenfeld – marine; planktonic (Конопля, 1974).
+*''Thalassiosira bioculata'' (Grunow) Ostenfeld – marine; planktonic (Конопля, 1974).
-*Thalassiosira bulbosa E. E. Syvertsen — marine, planktonic (Rat'kova, 2000).
+*''Thalassiosira bulbosa'' E. E. Syvertsen — marine, planktonic (Rat'kova, 2000).
-*Thalassiosira constricta Gaarder — marine, planktonic (Rat'kova, 2000).
+*''Thalassiosira constricta'' Gaarder — marine, planktonic (Rat'kova, 2000).
-*Thalassiosira excentrica (Ehrenberg) Cleve – marine; planktonic (Конопля, 1974).
+*''Thalassiosira excentrica'' (Ehrenberg) Cleve – marine; planktonic (Конопля, 1974).
-*Thalassiosira gravida Cleve – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970). Marine; planktonic; dominant in spring (Конопля, 1971). Marine; planktonic; dominant (Конопля, 1974). Marine; planktonic (Сёмина, Сергеева, 1983).
+*''Thalassiosira gravida'' Cleve – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970). Marine; planktonic; dominant in spring (Конопля, 1971). Marine; planktonic; dominant (Конопля, 1974). Marine; planktonic (Сёмина, Сергеева, 1983).
-*Thalassiosira hyalina (Grunow) Gran – marine; planktonic (Конопля, 1974).
+*''Thalassiosira hyalina'' (Grunow) Gran – marine; planktonic (Конопля, 1974).
-*Thalassiosira hyperborea (Grunow) Hasle & Lange — marine, planktonic (Rat'kova, 2000).
+*''Thalassiosira hyperborea'' (Grunow) Hasle & Lange — marine, planktonic (Rat'kova, 2000).
-*Thalassiosira kushirensis — marine, planktonic (Rat'kova, 2000).
+*''Thalassiosira kushirensis'' — marine, planktonic (Rat'kova, 2000).
-*Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G. Fryxell – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970: as Coscinodiscus lineatus Ehrenberg).
+*''Thalassiosira leptopus'' (Grunow ex Van Heurck) Hasle & G. Fryxell – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970: as Coscinodiscus lineatus Ehrenberg).
-*Thalassiosira cf. lineoides Herzig & Fryxell — marine, planktonic (Rat'kova, 2000).
+*''Thalassiosira'' cf. ''lineoides'' Herzig & Fryxell — marine, planktonic (Rat'kova, 2000).
-*Thalassiosira nordenskioeldii Cleve – marine, littoral; sporadic, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974; Сёмина, Сергеева, 1983).
+*''Thalassiosira nordenskioeldii'' Cleve – marine, littoral; sporadic, everywhere (Бондарчук, 1970). Marine; planktonic (Конопля, 1974; Сёмина, Сергеева, 1983).
 [[rus: Порядок Thalassiosirales]]