Ralfsiales

Ralfsiales
Scientific classification
(unranked):	SAR
Superphylum:	Heterokonta
Class:	Phaeophyceae
Order:	Ralfsiales Nakamura
Families
Heterochordariaceae Neoralfsiaceae Ralfsiaceae

Ralfsiales is an order of crustose brown algae (class Phaeophyceae) containing two families.^[1]^[2]

References

↑ Guiry, M.D.; G.M. Guiry (2009). "AlgaeBase". World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-10-15.
↑ Lim, P.-E.; M. Sakaguchi; T. Hanyuda; K. Kogame; S.-M. Phang; H. Kawai (2007). "Molecular phylogeny of crustose brown algae (Ralfsiales, Phaeophyceae) inferred from rbcL sequences resulting in the proposal for Neoralfsiaceae fam. nov.". Phycologia. 46 (4): 456–466. doi:10.2216/06-90.1.

Archaea

Bacteria

Eukaryota

Plant

Hacrobia

Heterokont

Alveolata

Rhizaria

Excavata

Amoebozoa

Opisthokonta

Animal

Fungi)

Ochrophyta
(photosynthetic)

Chrysophyceae, golden algae	Chromulinales Chrysosphaerales Hibberdiales Hydrurales Phaeothamniales

Eustigmatophyceae	Eustigmataceae Monodopsidaceae Pseudocharaciopsidaceae

Phaeophyceae, brown algae	Ascoseirales Cutleriales Desmarestiales Dictyotales Discosporangiales Ectocarpales Fucales Ishigeales Laminariales Nemodermatales Onslowiales Ralfsiales Scytosiphonales Scytothamnales Sphacelariales Sporochnales Syringodermatales Tilopteridales

Phaeothamniophyceae	Phaeothamniales Pleurochloridellales

Raphidophyceae	Chattonella, Fibrocapsa, Gonyostomum, Haramonas, Heterosigma, Vacuolaria

Synurophyceae	Heterogloeales Ochromonadales Rhizochloridales Synurales

Xanthophyceae, yellow-green algae	Botrydiales Mischococcales Tribonematales Vaucheriales

Coscinodiscophyceae	Biddulphiophycidae Chaetocerotophycidae Corethrophycidae Coscinodiscophycidae Cymatosirophycidae Lithodesmiophycidae Rhizosoleniophycidae Thalassiosirophycidae

Bacillariophyceae	Bacillariales Naviculales

Fragilariophyceae	Fragilariales

Heterotrophic
groups

Sagenista	Bicosoecea Labyrinthulomycetes

Opalinata/Slopalinida	Opalinidae Proteromonadidae Blastocystis

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