Petraliidae is a family of bryozoans belonging to the order Cheilostomatida.
Genera Genera: Mobunula Gordon, 1989 Mucropetraliella Stach, 1936 Orbiculipora Guha & Gopikrishna, 2005 Peripetraliella Stach, 1936 Petralia MacGillivray, 1869 Riscodopa Gordon, 1989 Sinupetraliella Stach, 1936 Utinga Marcus, 1949
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