Order Thalassiophysales

Family Catenulaceae Mereschkowsky

Genus Amphora Ehrenberg ex Kützing

• Amphora ajajensis Skab. — marine, littoral (Сапожников, 1998).
• Amphora angusta Gregory var. angusta – marine, littoral; benthic, periphyton; everywhere, sometimes dominant (Бондарчук, 1970: as A. angusta (Greg.) Cl.; A. angusta var. oblongella (A. Grunow) P. T. Cleve – rare, everywhere; A. angusta var. ventricosa (W. Gregory) P. T. Cleve (A. angusta var. ventricosa Grun.) – everywhere, sometimes dominant).
• Amphora arcus Gregory var. arcus – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970; A. arcus var. sulcata A. Schmidt – together with type variation).
• Amphora arenicola Grunow — marine, littoral (Сапожников, 1998).
• Amphora coffeaeformis (C. Agardh) Kützing var. coffeaeformis – marine, littoral, sublittoral; benthic, periphyton; often (Бондарчук, 1970; A. coffeaeformis var. perpusilla (Grunow) Cleve (A. coffeaeformis var. perpusilla Grun.) – sporadic, everywhere). Marine, littoral; silty-sandy soil; benthic; dominant (Сабурова, 1995).
• Amphora commutata Grunow – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). Marine, littoral; silty-sandy soil; benthic; dominant (Сабурова, 1995).
• Amphora copulata (Kützing) Schoeman & Archibald) — marine, littoral (Сапожников, 1998).
• Amphora crassa Gregory – marine, littoral; benthic, periphyton; often (Бондарчук, 1970).
• Amphora delicatissima Cleve — marine, littoral (Сапожников, 1998).
• Amphora eunotia Cleve – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970).
• Amphora exigua Gregory – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970).
• Amphora holsatica Hustedt – marine, littoral; benthic, periphyton; rare (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003).
• Amphora hyalina Kützing – marine, littoral; benthic, periphyton; often, mostly in diluted areas (Бондарчук, 1970).
• Amphora inariensis Krammer – freshwater; periphyton (Dressler, 2003).
• Amphora laevis Gregory var. laevis– marine, littoral; benthic, periphyton; sporadic, everywhere (Бондарчук, 1970; A. laevis var. laevissima (Gregory) Cleve – rare, everywhere).
• Amphora macilenta Gregory — marine, littoral, common (Сапожников, 1998).
• Amphora marina W. Smith — marine, littoral, common (Сапожников, 1998).
• Amphora micrometra - marine. Found in semi-isolated coastal stratified lake Kislo-Sladkoe, only in the superficial brackish layer of wind mixing 0–0.5 m (Mindolina et al., 2023).
• Amphora ocellata Donkin – marine, littoral; benthic, periphyton; sporadic (Бондарчук, 1970).
• Amphora ostrearia Brébisson var. ostrearia – marine, littoral; benthic, periphyton; sporadic, everywhere (Бондарчук, 1970; A. ostrearia var. vitrea Cleve – sporadic, together with type variation).
• Amphora ovalis (Kützing) Kützing – marine, littoral; benthic, periphyton; often, everywhere (Бондарчук, 1970). Freshwater; periphyton (Dressler, 2003: as A. ovalis (Kützing) Kützing and A. libyca Ehrenberg).
• Amphora pediculus (Kützing) Grunow — marine, littoral, common (Сапожников, 1998).
• Amphora perpusilla (Grunow) Grunow — marine, littoral, common (Сапожников, 1998); epiphyte on green filamentous algae, common, brackish-water supralittoral basins.
• Amphora proteus Gregory var. proteus – marine, littoral; benthic, periphyton; often, everywhere (Бондарчук, 1970; A. proteus var. oculata H. Peragallo – sporadic, together with type variation). Marine, littoral; silty-sandy soil.; benthic; dominant (Сабурова, 1995).
• Amphora robusta Gregory — marine, littoral, common (Сапожников, 1998).
• Amphora terroris Ehrenberg – marine, littoral, sublittoral; benthic, periphyton; often, everywhere (Бондарчук, 1970).
• Amphora truncata Gregory — marine, littoral, common (Сапожников, 1998).
• Amphora veneta Kützing — marine, littoral, common (Сапожников, 1998); fouling on stones, common, brackish-water and freshwater supralittoral basins.

Family Stephanodiscaceae

Genus Cyclostephanos Round

• Cyclostephanos dubius (Fricke) Round — periphyton, bogs, lakes (Dressler & Hübener, 2002).

rus: Порядок Thalassiophysales