• Pomoriella Golemansky, 1971
• Porteriella Hustache, 1930
• Primoriella Repina in Okuneva & Repina, 1973 †
• Proboliella Walker, 1906 (uncertain)
• Proporella † (uncertain)
• Protobiella Tillyard, 1923
• Protoetiella Inoue, 1959
• Protoginella Laseron, 1957
• Protolyella † (uncertain)
• Protomella Thiele, 1929 accepted as Protoma Baird, 1870
• Protomitella Broch, 1922 accepted as Calantica Gray, 1825
• Protoniella Bell, 1929 †
• Protorotella Makiyama, 1924 †
• Protosiriella Czerniavsky, 1882 accepted as Siriella Dana, 1850
• Prototilla Schuster, 1949 (uncertain)
• Prototritella Arimoto, 1977
• Protziella Lundblad, 1934