Hoek, Mann and Jahns system
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A system of taxonomy of algae, the Hoek, Mann and Jahns system was published in
- Hoek, C. van den, Mann, D.G. and Jahns, H.M. (1995). Algae An Introduction to Phycology. Cambridge University Press, Cambridge. ISBN 0-521-30419-9.
Division Cyanophyta (= Cyanobacteria)[]
- Class Cyanophyceae
- Order Chroococcales (e.g., Cyanothece, Aphanothece, Merismopedia, Chroococcus, Gloeocapsa, Microcystis, Chamaesiphon)
- Order Pleurocapsales (e.g., , )
- Order Oscillatoriales (e.g., Oscillatoria, Lyngbya, )
- Order Nostocales (e.g., Nostoc, Anabaena, Aphanizomenon, Scytonema, Rivularia)
- Order Stigonematales (e.g., )
Division Prochlorophyta[]
- Class (e.g., Prochloron, Prochlorococcus, Prochlorothrix)
Division Glaucophyta[]
- Class Glaucophyceae (e.g., Cyanophora, Glaucocystis)
Division Rhodophyta[]
- Class Bangiophyceae
- Order Porphyridiales (e.g., , Chroodactylon)
- Order Rhodochaetales (e.g., )
- Order Erythropeltidales (e.g., Erythrotrichia)
- Order
- Order Bangiales (e.g., Porphyra, Bangia)
- Class Florideophyceae
- Order Acrochaetiales (e.g., Audouinella)
- Order Palmariales (e.g., Palmaria, )
- Order Nemaliales (e.g., Nemalion, Galaxaura)
- Order Batrachospermales (e.g., Lemanea, )
- Order Corallinales (e.g., Lithophyllum, Jania)
- Order
- Order Bonnemaisoniales
- Order Gelidiales (e.g., Gelidium)
- Order Gigartinales (e.g., , Dumontia, Chondrus, Mastocarpus)
- Order Gracilariales
- Order Ahnfeltiales
- Order (e.g., Chylocladia)
- Order Ceramiales (e.g., Polysiphonia, , Ceramium, Hypoglossum)
Division Heterokontophyta[]
- Class Chrysophyceae
- Order (e.g., Ochromonas, , Dinobryon)
- Order (= Class Synurophyceae, e.g., Mallomonas, Synura)
- Order Pedinellales (= Class , e.g., Pedinella)
- Order (e.g., , )
- Order (e.g., , Hydrurus)
- Order Chrysosphaerales (e.g., )
- Order Phaeothamniales (e.g., , )
- Class
- Order Parmales (e.g., )
- Class
- Order (e.g., , , )
- Genus (relative of the Chrysophyceae)
- Class Xanthophyceae
- Order (e.g., )
- Order (e.g., , )
- Order (e.g., )
- Order (e.g., , , Characiopsis, )
- Order (e.g., Tribonema, Heterococcus, )
- Order Botrydiales (e.g., Botrydium)
- Order (e.g., Vaucheria)
- Class Eustigmatophyceae (e.g., , [= ], , , Chlorobotrys, Nannochloropsis)
- Class Bacillariophyceae (= Diatomophyceae)
- Order Pennales (e.g., Navicula, Gyrosigma, Achnanthes, Tabellaria, Nitzchia, Surirella)
- Order Centrales (e.g., Coscinodiscus, Thalassiosira, , , , Odontella, )
- Class Raphidophyceae (e.g., , Gonyostomum, , , Fibrocapsa)
- Class Dictyochophyceae (e.g., Dictyocha)
- Class Phaeophyceae
- Order Ectocarpales (e.g., , , Ectocarpus)
- Order Sphacelariales (e.g., )
- Order Syringodermatales
- Order Dictyotales (e.g., Dictyota)
- Order Scytosiphonales (e.g., )
- Order Cutleriales (e.g., Cutleria)
- Order Dictyosiphonales (e.g., Dictyosiphon)
- Order Chordariales (e.g., , , 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
- Class Bicocoecida (e.g., Pseudobodo, Cafeteria)
- Class Oomycetes (e.g., Phytophthora)
- Class Hyphochytridiomycetes
- Class Labyrinthulomycetes
Division Haptophyta (= Prymnesiophyta)[]
- Class Haptophyceae
- Order (e.g., Chrysochromulina, Prymnesium, , Phaeocystis)
- Order Isochrysidales (e.g., Chrysotila, Pleurochrysis [= ])
- Order (e.g., Emiliania, Syracosphaera, )
- Order Pavlovales (e.g., Pavlova)
Division Cryptophyta[]
- Class Cryptophyceae (e.g., Cryptomonas, Chilomonas, Bjornbergiella)
Division Dinophyta[]
- Class Dinophyceae
- Order Gymnodiniales (e.g., Gymnodinium, Symbiodinium, Polykrikos)
- Order (e.g., )
- Order (e.g., )
- Order (= , e.g., )
- Order (e.g., )
- Order (e.g., , )
- Order Noctilucales (e.g., Noctiluca)
- Order Blastodiniales (e.g., Blastodinium)
- Order Syndiniales
- Order Peridiniales (e.g., Peridinium, , Ceratium, Gonyaulax)
- Order (e.g., Dinophysis, , , Ornithocercus, Histioneis)
- Order Prorocentrales (e.g., Prorocentrum)
Division Euglenophyta[]
- Class Euglenophyceae
- Order Euglenales (e.g., Euglena, Astasia)
- Order
- Order
- Order
- Order
- Order
Division Chlorarachniophyta[]
- Class Chlorarachniophyceae (e.g., Chlorarachnion)
Division Chlorophyta[]
- Class Prasinophyceae
- Order Mamiellales (e.g., Mamiella, Bathycoccus)
- Order Pseudoscourfieldiales (e.g., Nephroselmis)
- Order Pyramimonadales (e.g., Pyramimonas, Halosphaera, [?], Pterosperma [?], Mesostigma [?])
- Genus Pedinomonas (sometimes classified in the class Pedinophyceae, or )
- Order Chlorodendrales (e.g., Tetraselmis)
- Class Chlorophyceae
- Order Volvocales [including the Tetrasporales] (e.g., Chlamydomonas, Chlorogonium, , , , Polytoma, Carteria, Brachiomonas, Lobomonas, , Haematococcus, Phacotus, Pteromonas, Stephanosphaera, Gonium, Pandorina, Eudorina, Volvox, )
- Order Chlorococcales (e.g., Chlorococcum, Golenkinia, Chlorella, , Oocystis, Kirchneriella, Nephrocytium, Actinastrum, Crucigenia, Sphaerocystis, Coccomyxa, Scenedesmus, Hydrodictyon, Pediastrum, Chlorosarcinopsis, Cylindrocapsa, Geminella, , Radiofilum, Sphaeroplea, Characiosiphon, Atractomorpha)
- Order Chaetophorales (e.g., Uronema, Stigeoclonium, Draparnaldia, Schizomeris)
- Order Oedogoniales (e.g., Oedogonium)
- Class Ulvophyceae
- Order (e.g., , Ulothrix, , Urospora, Acrosiphonia, Monostroma)
- Order Ulvales (e.g., Ulva, Enteromorpha, Ulvaria, Acrochaete)
- Class
- Order Cladophorales (e.g., Cladophora, Chaetomorpha, Rhizoclonium, Struvea, Valonia, Siphonocladus, Dictyosphaeria)
- Class Bryopsidophyceae
- Order Bryopsidales (e.g., Bryopsis, Pseudobryopsis, Derbesia, Codium)
- Order Halimedales (e.g., Udotea, Penicillus, Halimeda, Caulerpa)
- Class
- Order Dasycladales (e.g., Acetabularia, Batophora, Dasycladus, Neomeris, Cymopolia)
- Class
- Order Trentepohliales (e.g., Trentepohlia, Cephaleuros)
- Class Pleurastrophyceae
- Order (e.g., Trebouxia, Myrmecia, Friedmannia, , Pleurastrum, Microthamnion)
- Position uncertain:
- Order Prasiolales (e.g., Prasiola)
- Class Klebsormidiophyceae
- Order Klebsormidiales (e.g., Chlorokybus, Raphidonema, Klebsormidium)
- Order Coleochaetales (e.g., Chaetosphaeridium, Coleochaete)
- Class Zygnematophyceae
- Order Zygnematales (e.g., Spirogyra, , Zygnema, Spirotaenia, Cylindrocystis, Netrium)
- Order Desmidiales (e.g., Cosmarium, Gonatozygon, Closterium, Pleurotaenium, Tetmemorus, Euastrum, Micrasterias, Cosmocladium, Xanthidium, Staurastrum, Desmidium, Hyalotheca, Spondylosium, Sphaerozosma, Onychonema)
- Class Charophyceae
Note added in proof[]
In a note added in proof, an alternative classification is presented for the class Chlorophyceae:
- Class
- Order Volvocales
- Order Chaetophorales
- Order Chlorococcales (e.g., Chlorococcum, Chlorosarcinopsis, Cylindrocapsa [?])
- Class Chlorophyceae
- Order Chlorellales (e.g., Chlorella, Kirchneriella, Scenedesmus, Hydrodictyon, Pediastrum, Sphaeroplea, Atractomorpha)
- Class
- Order Oedogoniales (e.g., Oedogonium)
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.
Categories:
- Systems of algal taxonomy