Hoek, Mann and Jahns system

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)

Class Cyanophyceae

Division Prochlorophyta

Class Prochlorophyceae

Division Glaucophyta

Class Glaucophyceae

Division Rhodophyta

Class Bangiophyceae
Class Florideophyceae

Division Heterokontophyta

Class Chrysophyceae
Class Parmophyceae
Class Sarcinochrysidophyceae
Genus Pelagococcus
Class Xanthophyceae
Class Eustigmatophyceae
Class Bacillariophyceae
Class Raphidophyceae
Class Dictyochophyceae
Class Phaeophyceae
Class Bicocoecida
Class Oomycetes
Class Hyphochytridiomycetes
Class Labyrinthulomycetes

Division Haptophyta (= Prymnesiophyta)

Class Haptophyceae

Division Cryptophyta

Class Cryptophyceae

Division Dinophyta

Class Dinophyceae

Division Euglenophyta

Class Euglenophyceae

Division Chlorarachniophyta

Class Chlorarachniophyceae

Division Chlorophyta

Class Prasinophyceae
Class Chlorophyceae
Class Ulvophyceae
Class Cladophorophyceae
Class Bryopsidophyceae
Class Dasycladophyceae
Class Trentepohliophyceae
Class Pleurastrophyceae
Position uncertain:
Class Klebsormidiophyceae
Class Zygnematophyceae
Class Charophyceae

Note added in proof

In a note added in proof, an alternative classification is presented for the class Chlorophyceae:

Class Chlamydophyceae
Class Chlorophyceae
Class Oedogoniophyceae

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.