Order Sebdeniales Withall and Saunders 2006 (red algae)
Florideophyceae - Sebdeniales - Rhodymeniophycidae
Parent taxon: Rhodymeniophycidae according to C. W. Schneider and M. J. Wynne 2007
Sister taxa: Acrosymphytales, Bonnemaisoniales, Ceramiales, Gelidiales, Gigartinales, Gracilariales, Halymeniales, Nemastomatales, Peyssonneliales, Plocamiales, Rhodymeniales
Subtaxa: Sebdeniaceae
Distribution: there are no occurrences of Sebdeniales in the database