• Hydroides albiceps (Grube, 1870)
• Hydroides dirampha Mörch, 1863
• Hydroides elegans (Haswell, 1883) [nomen protectum]
• Hydroides exaltata (Marenzeller, 1884)
• Hydroides exaltatus (Marenzeller, 1885) accepted as Hydroides exaltata (Marenzeller, 1884)
• Hydroides ezoensis Okuda, 1934
• Hydroides fusicola Mörch, 1863
• Hydroides longistylaris Chen & Wu, 1980
• Hydroides norvegica Gunnerus, 1768
• Hydroides norvegicus Gunnerus, 1768 accepted as Hydroides norvegica Gunnerus, 1768
• Hydroides operculata (Treadwell, 1929)
• Hydroides operculatus (Treadwell, 1929) accepted as Hydroides operculata (Treadwell, 1929)
• Hydroides rhombobula Chen & Wu, 1980
• Hydroides rhombobulus Chen & Wu, 1980 accepted as Hydroides rhombobula Chen & Wu, 1980
• Hydroides sanctaecrucis Krøyer in Mörch, 1863
• Hydroides similis (Treadwell, 1929)
• Hydroides tambalagamensis Pillai, 1961
• Metavermilia acanthophora (Augener, 1914)
• Metavermilia inflata Imajima, 1977
• Neodexiospira foraminosa (Bush in Moore & Bush, 1904)
• Pomatoceros triqueter (Linnaeus, 1758) accepted as Spirobranchus triqueter (Linnaeus, 1758)
• Pomatostegus actinoceras Mörch, 1863
• Pomatostegus stellatus (Abildgaard, 1789)
• Protula bispiralis (Savigny, 1822)
• Salmacina dysteri (Huxley, 1855)
• Serpula granulosa von Hagenow, 1840 †
• Serpula vermicularis non Linnaeus, sensu Cuvier, 1830 accepted as Pomatoceros triqueter (Linnaeus, 1758) accepted as Spirobranchus triqueter (Linnaeus, 1758)
• Serpula watsoni Willey, 1905
• Spirobranchus giganteus (Pallas, 1766)
• Spirobranchus kraussii (Baird, 1864)
• Spirobranchus latiscapus (Marenzeller, 1884)
• Spirobranchus tetraceros (Schmarda, 1861)
• Spirobranchus triqueter (Linnaeus, 1758)
• Spirorbis foraminosus Bush in Moore & Bush, 1904 accepted as Neodexiospira foraminosa (Bush in Moore & Bush, 1904)
• Vermiliopsis glandigera Gravier, 1906
• Vermiliopsis glandigerus Gravier, 1906 [original spelling] accepted as Vermiliopsis glandigera Gravier, 1906