Protula

This genus has two subgenera:[1]

• Protula (Hydroides)
• Protula (Protulopsis)

The following species are classified in this genus:[1]

• Protula alba Benedict, 1887
• Protula alberti Fauvel, 1909
• Protula americana McIntosh, 1885
• Protula anomala Day, 1955
• Protula antennata Ehlers, 1887
• Protula apomatoides (Uchida, 1978)
• Protula atypha Bush, 1905
• Protula balboensis Monro, 1933
• Protula bispiralis (Savigny, 1822)
• Protula canavarii Roverto, 1899 †
• Protula diomedeae Benedict, 1887
• Protula extensa Solander in Brander, 1766
• Protula intestinum (Lamarck, 1818)
• Protula longiseta Schmarda, 1861
• Protula media Stimpson, 1854
• Protula pacifica Pixell, 1912
• Protula palliata (Willey, 1905)
• Protula planianica Ziegler, 1984 †
• Protula submedia Augener, 1906
• Protula superba Moore, 1909
• Protula tubularia (Montagu, 1803)
• Protula vincenti Rovereto, 1904
• Protula xeniolum Rovereto, 1904

The following genera are synonyms of Protula:[1]

• Ehlerprotula Uchida, 1978 (junior synonym)
• Lemintina Risso, 1826 (subjective synonym)
• Longitubus Howell, 1943 † (subjective synonym)
• Membranopsis Bush, 1910 (subjective synonym)
• Paraprotula Uchida, 1978 (junior synonym)
• Peotula Sun, 1998
• Protula (Philippiprotula) Uchida, 1978 (subgenus not recognized any longer)
• Protula (Protula) Risso, 1826 (subgenus not longer recognised)
• Protula (Psygmobranchus) Philippi, 1844 (subgenus not recognised any longer)
• Protulopsis Saint-Joseph, 1894 (synonym)
• Psygmobranchus Philippi, 1844 (junior synonym)
• Salmacinopsis Bush, 1910
• Serpula (Helena) Castelnau
• Serpula (Spiramella)
• Spiramella Blainville, 1828 (junior synonym)