(Porolithon) (Porolithon) is a biological genus in the family Corallinaceae and order Corallinales.
Amphiroa
Archaeolithothamnion
Archeolithamnium
Arthrocardia
Bossiella
Calliarthron
Chiharaea
Choreonema
Clathromorphum
Corallina
Cornicularia
Dermatolithon
Epilithon
Fosliella
Goniolithon
Haliptylon
Heteroderma
Hydrolithon
Jania
Litholepis
Lithophyllum
Lithoporella
Lithothamnium
Lithothrix
Melobesia
Mesophyllum
Neogoniolithon
Neopolyporolithon
Pachyarthron
Phymatolithon
Pneophyllum
Polyporolithon
Porolithon
Pseudolithophyllum
Serraticardia
Tenarea
Titanophora
Yamadaia