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System of taxonomy of algae
The Hoek, Mann and Jahns system is a
system of taxonomy of
algae . It was first published in Algae: An Introduction to Phycology by Cambridge University Press in 1995.
Division Cyanophyta (= Cyanobacteria)
Order
Chroococcales (e.g.,
Cyanothece ,
Aphanothece ,
Merismopedia ,
Chroococcus ,
Gloeocapsa ,
Microcystis ,
Chamaesiphon )
Order
Pleurocapsales (e.g.,
Cyanocystis ,
Pleurocapsa )
Order
Oscillatoriales (e.g.,
Oscillatoria ,
Lyngbya ,
Microcoleus )
Order
Nostocales (e.g.,
Nostoc ,
Anabaena ,
Aphanizomenon ,
Scytonema ,
Rivularia )
Order
Stigonematales (e.g.,
Stigonema )
Division Prochlorophyta
Division Glaucophyta
Division Rhodophyta
Order
Acrochaetiales (e.g.,
Audouinella )
Order
Palmariales (e.g.,
Palmaria ,
Rhodophysema )
Order
Nemaliales (e.g.,
Nemalion ,
Galaxaura )
Order
Batrachospermales (e.g.,
Lemanea ,
Batrachospermum )
Order
Corallinales (e.g.,
Lithophyllum ,
Jania )
Order
Hildebrandiales
Order
Bonnemaisoniales
Order
Gelidiales (e.g.,
Gelidium )
Order
Gigartinales (e.g.,
Acrosymphyton ,
Dumontia ,
Chondrus ,
Mastocarpus )
Order
Gracilariales
Order
Ahnfeltiales
Order
Rhodymeniales (e.g.,
Chylocladia )
Order
Ceramiales (e.g.,
Polysiphonia ,
Callithamnion ,
Ceramium ,
Hypoglossum )
Division Heterokontophyta
Order
Ochromonadales (e.g.,
Ochromonas ,
Pseudokephyrion ,
Dinobryon )
Order
Mallomonadales (= Class
Synurophyceae , e.g.,
Mallomonas ,
Synura )
Order
Pedinellales (= Class
Pedinellophyceae , e.g.,
Pedinella )
Order
Chrysamoebidales (e.g.,
Rhizochrysis ,
Chrysarachnion )
Order
Chrysocapsales (e.g.,
Chrysocapsa ,
Hydrurus )
Order
Chrysosphaerales (e.g.,
Chrysosphaera )
Order
Phaeothamniales (e.g.,
Phaeothamnion ,
Thallochrysis )
Order
Chloramoebales (e.g.,
Chloromeson )
Order
Rhizochloridales (e.g.,
Rhizochloris ,
Myxochloris )
Order
Heterogloeales (e.g.,
Gloeochloris )
Order
Mischococcales (e.g.,
Chloridella ,
Botrydiopsis ,
Characiopsis ,
Ophiocytium )
Order
Tribonematales (e.g.,
Tribonema ,
Heterococcus ,
Heterodendron )
Order
Botrydiales (e.g.,
Botrydium )
Order
Vaucheriales (e.g.,
Vaucheria )
Order
Pennales (e.g.,
Navicula ,
Gyrosigma ,
Achnanthes ,
Tabellaria ,
Nitzchia ,
Surirella )
Order
Centrales (e.g.,
Coscinodiscus ,
Thalassiosira ,
Stephanodiscus ,
Cerataulus ,
Triceratium ,
Odontella ,
Rhizosolenia )
Order
Ectocarpales (e.g.,
Phaeostroma ,
Spongonema ,
Ectocarpus )
Order
Sphacelariales (e.g.,
Sphacelaria )
Order
Syringodermatales
Order
Dictyotales (e.g.,
Dictyota )
Order
Scytosiphonales (e.g.,
Scytosiphon )
Order
Cutleriales (e.g.,
Cutleria )
Order
Dictyosiphonales (e.g.,
Dictyosiphon )
Order
Chordariales (e.g.,
Sphaerotrichia ,
Liebmania ,
Elachista )
Order
Sporochnales
Order
Desmarestiales (e.g.,
Desmarestia )
Order
Laminariales (e.g.,
Laminaria ,
Chorda )
Order
Fucales (e.g.,
Fucus ,
Hormosira )
Order
Durvillaeales (e.g.,
Durvillaea )
Order
Ascoseirales
Division Haptophyta (= Prymnesiophyta)
Order
Prymnesiales (e.g.,
Chrysochromulina ,
Prymnesium ,
Corymbellus ,
Phaeocystis )
Order
Isochrysidales (e.g.,
Chrysotila ,
Pleurochrysis [=
Hymenomonas ])
Order
Coccolithophorales (e.g.,
Emiliania ,
Syracosphaera ,
Discosphaera )
Order
Pavlovales (e.g.,
Pavlova )
Division Cryptophyta
Division Dinophyta
Order
Gymnodiniales (e.g.,
Gymnodinium ,
Symbiodinium ,
Polykrikos )
Order
Gloeodiniales (e.g.,
Gloeodinium )
Order
Thoracosphaerales (e.g.,
Thoracosphaera )
Order
Phytodiniales (=
Dinococcales , e.g.,
Phytodinium )
Order
Dinotrichales (e.g.,
Dinoclonium )
Order
Dinamoebidales (e.g.,
Stylodinium ,
Dinamoebidium )
Order
Noctilucales (e.g.,
Noctiluca )
Order
Blastodiniales (e.g.,
Blastodinium )
Order
Syndiniales
Order
Peridiniales (e.g.,
Peridinium ,
Protoperidinium ,
Ceratium ,
Gonyaulax )
Order
Dynophysiales (e.g.,
Dinophysis ,
Triposolenia ,
Amphisolenia ,
Ornithocercus ,
Histioneis )
Order
Prorocentrales (e.g.,
Prorocentrum )
Division Euglenophyta
Division Chlorarachniophyta
Division Chlorophyta
Order
Mamiellales (e.g.,
Mamiella ,
Bathycoccus )
Order
Pseudoscourfieldiales (e.g.,
Nephroselmis )
Order
Pyramimonadales (e.g.,
Pyramimonas ,
Halosphaera ,
Pachysphaera [?],
Pterosperma [?],
Mesostigma [?])
Genus
Pedinomonas (sometimes classified in the class
Pedinophyceae , or
Loxophyceae )
Order
Chlorodendrales (e.g.,
Tetraselmis )
Order
Volvocales [including the
Tetrasporales ] (e.g.,
Chlamydomonas ,
Chlorogonium ,
Hyalogonium ,
Gloeomonas ,
Diplostauron ,
Polytoma ,
Carteria ,
Brachiomonas ,
Lobomonas ,
Sphaerellopsis ,
Haematococcus ,
Phacotus ,
Pteromonas ,
Stephanosphaera ,
Gonium ,
Pandorina ,
Eudorina ,
Volvox ,
Pseudosphaerocystis )
Order
Chlorococcales (e.g.,
Chlorococcum ,
Golenkinia ,
Chlorella ,
Chodatella ,
Oocystis ,
Kirchneriella ,
Nephrocytium ,
Actinastrum ,
Crucigenia ,
Sphaerocystis ,
Coccomyxa ,
Scenedesmus ,
Hydrodictyon ,
Pediastrum ,
Chlorosarcinopsis ,
Cylindrocapsa ,
Geminella ,
Binuclearia ,
Radiofilum ,
Sphaeroplea ,
Characiosiphon ,
Atractomorpha )
Order
Chaetophorales (e.g.,
Uronema ,
Stigeoclonium ,
Draparnaldia ,
Schizomeris )
Order
Oedogoniales (e.g.,
Oedogonium )
Order
Codiolales (e.g.,
Chlorocystis ,
Ulothrix ,
Spongomorpha ,
Urospora ,
Acrosiphonia ,
Monostroma )
Order
Ulvales (e.g.,
Ulva ,
Enteromorpha ,
Ulvaria ,
Acrochaete )
Order
Zygnematales (e.g.,
Spirogyra ,
Mougeotia ,
Zygnema ,
Spirotaenia ,
Cylindrocystis ,
Netrium )
Order
Desmidiales (e.g.,
Cosmarium ,
Gonatozygon ,
Closterium ,
Pleurotaenium ,
Tetmemorus ,
Euastrum ,
Micrasterias ,
Cosmocladium ,
Xanthidium ,
Staurastrum ,
Desmidium ,
Hyalotheca ,
Spondylosium ,
Sphaerozosma ,
Onychonema )
Note added in proof
In a note added in proof, an alternative classification is presented for the class Chlorophyceae:
Many examples of genus given in the book could not be assigned to one of these classes, because the
ultrastructural characteristics needed for their classification have not yet been studied.
References
External links
van den Hoek, C.; Mann, D. G.; Jahns, Hans Martin (1995). Algae: An Introduction to Phycology . Cambridge University Press.
ISBN
9780521304191 .