| Coccolithus | |
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| Fossil of Coccolithus pelagicus, about 10 μm across | |
| Scientific classification | |
| Domain: | |
| (unranked): | |
| Class: | |
| Order: | |
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| Genus: | Coccolithus E.H.L. Schwarz, 1894 |
Coccolithus is a genus of unicellular haptophytes.
| Coccolithus | |
|---|---|
| | |
| Fossil of Coccolithus pelagicus, about 10 μm across | |
| Scientific classification | |
| Domain: | |
| (unranked): | |
| Class: | |
| Order: | |
| Family: | |
| Genus: | Coccolithus E.H.L. Schwarz, 1894 |
Coccolithus is a genus of unicellular haptophytes.
The species in this genus include: [1]
The glaucophytes, also known as glaucocystophytes or glaucocystids, are a small group of unicellular algae found in freshwater and moist terrestrial environments, less common today than they were during the Proterozoic. The stated number of species in the group varies from about 14 to 26. Together with the red algae (Rhodophyta) and the green algae plus land plants, they form the Archaeplastida.
Charales is an order of freshwater green algae in the division Charophyta, class Charophyceae, commonly known as stoneworts. Depending on the treatment of the genus Nitellopsis, living (extant) species are placed into either one family (Characeae) or two. Further families are used for fossil members of the order. Linnaeus established the genus Chara in 1753.
Navicula is a genus of boat-shaped diatom, comprising over 1,200 species, though many Navicula species likely do not belong in the genus strictly speaking. Navicula is Latin for "small ship", and also a term in English for a boat-shaped incense-holder. Navicula is a cosmopolitan genus and species are present in both freshwater and marine environments, typically attached to surfaces.
Eustigmatophytes are a small group of eukaryotic forms of algae that includes marine, freshwater and soil-living species.
The Trebouxiophyceae are a class of green algae, in the division Chlorophyta. Their circumscription within the green algae is not well established due to the need for more genetic studies at higher levels within the group.
Bryopsidales is an order of green algae, in the class Ulvophyceae.
Chlorellaceae are a family of green algae in the order Chlorellales.
Botryococcus is a genus of green algae. The cells form an irregularly shaped aggregate. Thin filaments connect the cells. The cell body is ovoid, 6 to 10 μm long, and 3 to 6 μm wide. Fossils of the genus are known since Precambrian times, and form the single largest biological contributor to crude oil, and are a major component of oil shales.
Hormotila is a genus of green algae in the family Chaetophoraceae.
Trentepohlia is a genus of filamentous chlorophyte green algae in the family Trentepohliaceae, living free on terrestrial supports such as tree trunks and wet rocks or symbiotically in lichens. The filaments of Trentepohlia have a strong orange colour caused by the presence of large quantities of carotenoid pigments which mask the green of the chlorophyll.
Bambusina is a genus of freshwater green algae in the family Desmidiaceae. Bambusina is a cosmopolitan genus, typically associated with acidic and oligotrophic waters. Species of this genus, particularly B. borreri, have been reported in all continents except Antarctica.
Sykidion is a genus of green algae. Pseudoneochloris is a synonym of this genus. As of March 2022, Sykidion was the only genus in the family Sykidiacaeae, which was the only family in the order Sykidiales.
Chlorokybus is a multicellular (sarcinoid) genus of basal green algae or charophyte. It has been classified as the sole member of the family Chlorokybaceae, which is the sole member of the order Chlorokybales, in turn the sole member of the class Chlorokybophyceae. It grows on soil and rock surfaces, and is rare.
Mesostigma is a genus of unicellular biflagellate freshwater green algae, with a single species Mesostigma viride, covered by an outer layer of basket‐like scales instead of a cell wall. It is the only known genus in the class Mesostigmatophyceae.
Coleochaetaceae is a family of algae. It is the only family in the Coleochaetales, an order of parenchymous charophyte algae, within the class Coleochaetophyceae. It includes some of the closest multicellular relatives of land plants. It contains the genus Coleochaete and questionably includes the fossil genus Parka.
Pyrenomonas is a genus of cryptomonad.
Chorda is a genus of thalloid brown algae. It is the only genus in the family Chordaceae. Its members are known by a number of common names including: mermaid's fishing line, tsurumo, ruálach, doruithe briain, sailors' laces, sea laces, mermaids line, roccálach, ruadhálach, gemeine meersaite, bootlace weed, seatwine, zottige meersaite, dead men's ropes, mermaid's tresses, cat gut and sea lace.
Perkinsidae is a family of alveolates in the phylum Perkinsozoa, a sister group to the dinoflagellates.
Kiitoksia is a genus of aquatic protist. The taxonomic position of the genus is still uncertain and it has not found a robust location in any subgroup.
Chrysomerophyceae is a monotypic class of photosynthetic heterokont eukaryotes.
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