Order Ulotrichales (Codiolales)

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Family Cylindrocapsaceae Wille in Warming

Genus Cylindrocapsa Reinsch

  • Cylindrocapsa involuta Reinsch – periphyton; bogs, Verkhneye (Upper) Lake; rare (own data).

Family Gomontiaceae De Toni

Genus Gomontia Bornet & Flahault

  • Gomontia polyrhiza (Lagerheim) Bornet & Flahault – on mollusc shells; littoral, sublittoral; common (own data). This species needs clarification of nomenclature and ecological characteristics (Михайлова, 2010).

Genus Monostroma Thuret

  • Monostroma grevillei (Thuret) Wittrock – marine, sublittoral, 1-2 m; poorly protected coastal areas (Возжинская, 1967; Михайлова 2010).

The first edition of the Catalog also listed: Monostroma arcticum Wittrock – benthic, periphyton; littoral; Velikaya Salma; brackish-water supralittoral basins.; common (own data), but this name is a synonym for Monostroma grevillei (Михайлова, 2010); and Monostroma obscurum (Kützing) J. Agardh - marine, littoral, sublittoral; Bolshoi and Malyi Eremeevsky islands; Konevskaya korga (reef); Cape Kindo (Виноградова, 1974: Ulvaria obscura (Kützing) Gayral), which is moved, because of synonymy, to the page Order_Ulvales - genus Ulvaria obscura (Михайлова, 2010).

Family Schizomeridaceae G. M. Smith

Genus Schizomeris Kützing

  • Schizomeris leibleinii Kützing – on a mussel shell; freshwater supralittoral basin; Cape Kindo; sporadic (own data).

Family Ulotrichaceae J. V. Lamouroux & Dumortier

Genus Acrosiphonia J. Agardh

  • Acrosiphonia arcta (Dillwyn) Cain – on stones, macrophytes; littoral; common (Михайлова, 2010). (Own data: Acrosiphonia arcta and Acrosiphonia centralis (Lyngbye) Kjellman).
  • Acrosiphonia sonderi (Kjellman) Kornmann – benthic; littoral; Velikaya Salma; common; brackish-water supralittoral basins; rare (own data) (Михайлова, 2010).

Genus Spongomorpha Kützing

  • Spongomorpha aeruginosa (Linnaeus) Hoek – marine, littoral, sublittoral (Алим, 1962: S. lanosa (Roth) Kützing). Littoral, sublittoral; Eremeevsky porog rapids (Блинова, 1962: S. lanosa). На thallome of Saccharina, Fucus. serratus, F. vesiculosus (Успенская, 1963: S. lanosa). Sublittoral, 1-2 m, poorly protected coastal areas; on stones, thallome of macrophytes (Возжинская, 1967: Acrosiphonia lanosa (Roth) Kjellman). Brackish-water supralittoral basins; common (own data; Михайлова, 2010).

The first edition of the Catalog also listed the second species of this genus, Spongomorpha arcta (Dillwyn) Kützing – marine, sublittoral; on stones, thallome of Fucus, Laminaria (Блинова, 1962). Species of the genus Spongomorpha, unlike Acrosiphonia, have mononuclear cells. In the Russian northern seas, there is one species with filament diameter of 30 mkm. In the papers on the algae of the White Sea and Murman, Е.С. Зинова used this one name for two species: Acrosiphonia sonderi and A. incurva with filament diameter from 110 to 200 mkm. It is unknown, for which particular species Блинова used this name. (Михайлова, 2010).

Genus Ulothrix Kützing

  • Ulothrix flacca (Dillwyn) Thuret – benthic, periphyton; littoral, sublittoral; common (own data; Михайлова, 2010).
  • Ulothrix implexa (Kützing) Kützing – benthic, periphyton; littoral, brackish-water supralittoral basins, pools; common (own data; Михайлова, 2010).
  • Ulothrix tenerrima (Kützing) Kützing – benthic; freshwater pools, lakes; common (own data: Ulothrix variabilis (Kützing) Kützing).
  • Ulothrix zonata (Weber & Mohr) Kützing – benthic; lakes; common (own data).

Genus Urospora Areschoug

  • Urospora penicilliformis (Roth) J.E. Areschoug – benthic; littoral, sublittoral; Eremeevsky porog rapids; rare (own data; Михайлова, 2010).

rus:Порядок Ulotrichales (Codiolales)