(Pterosiphonia) (Pterosiphonia) is a biological genus in the family Rhodomelaceae and order Ceramiales.
Pterosiphonia arctica
Pterosiphonia baileyi
Pterosiphonia bipinnata
Pterosiphonia clevelandii
Pterosiphonia cloiophylla
Pterosiphonia complanata
Pterosiphonia dendroidea
Pterosiphonia gardneri
Pterosiphonia gracilis
Pterosiphonia parasitica
Pterosiphonia pennata
Acanthophora
Amansia
Amplisiphonia
Ancanthophora
Boergegeseniella
Bostrychia
Brongniartella
Bryothamnion
Chondria
Choreocolax
Dawsoniocolax
Digenea
Dipterosiphonia
Erythrocystis
Halopitys
Harveyella
Herposiphonia
Janczewskia
Jantinella
Laurencia
Levringiella
Lophocladia
Lophosiphonia
Micropeuce
Murrayellopsis
Odonthalia
Ophiocladus
Polysiphonia
Pterochondria
Pterosiphonia
Rhodomela
Rytiphloea
Veleroa
Waldoia
Wrightiella