PtilocodiidaePtilocodiidae is a family of hydrozoans in the order Anthoathecata.GeneraHansiella Bouillon, 1980Hydrichthella Stechow, 1909Ptilocodium Coward, 1909Thecocodium Bouillon, 1967Tregoubovia Picard, 1958Tregouboviopsis Wang, Du, Xu, Huang & Guo, 2017