1. Genus Phoronis Wright, 1856
   1. Species Phoronis australis Haswell, 1883
   2. Species Phoronis embryolabi Temereva & Chichvarkhin, 2017
   3. Species Phoronis emigi Hirose, Fukiage, Katoh & Kajihara, 2014
   4. Species Phoronis hippocrepia Wright, 1856
   5. Species Phoronis ijimai Oka, 1897
   6. Species Phoronis muelleri Selys-Longchamps, 1903
   7. Species Phoronis ovalis Wright, 1856
   8. Species Phoronis pallida (Schneider, 1862)
   9. Species Phoronis psammophila Cori, 1889
   10. Species Phoronis savinkini Temereva & Neklyudov, 2018
   11. Species Phoronis architecta Andrews, 1890 accepted as Phoronis psammophila Cori, 1889 (Synonym)
   12. Species Phoronis bhadurii Ganguly & Majumdar, 1967 accepted as Phoronis australis Haswell, 1883 (synonym)
   13. Species Phoronis buskii McIntosh, 1888 accepted as Phoronis australis Haswell, 1883 (synonym)
   14. Species Phoronis caespitosa Cori, 1889 accepted as Phoronis hippocrepia Wright, 1856 (synonym)
   15. Species Phoronis capensis Gilchrist, 1907 accepted as Phoronis hippocrepia Wright, 1856 (synonym)
   16. Species Phoronis chilensis (unaccepted > nomen nudum)
   17. Species Phoronis euxinicola Selys-Longchamps, 1907 (unaccepted > nomen nudum)
   18. Species Phoronis gracilis (van Beneden, 1858) accepted as Phoronis hippocrepia Wright, 1856 (Synonym)
   19. Species Phoronis kowalevskyi Benham, 1889 accepted as Phoronis hippocrepia Wright, 1856 (Synonym)
   20. Species Phoronis norvegica Dalla Torre, 1889 accepted as Phoronis muelleri Selys-Longchamps, 1903
   21. Species Phoronis pacifica Torrey, 1901 accepted as Phoronopsis harmeri Pixell, 1912 (synonym)
   22. Species Phoronis sabatieri Roule, 1890 accepted as Phoronis psammophila Cori, 1889 (synonym)
   23. Species Phoronis svetlanae Temereva & Malakhov, 1999 accepted as Phoronis ijimai Oka, 1897 (synonym)
   24. Species Phoronis vancouverensis Pixell, 1912 accepted as Phoronis ijimai Oka, 1897 (synonym)
2. Genus Phoronopsis Gilchrist, 1907
   1. Species Phoronopsis albomaculata Gilchrist, 1907
   2. Species Phoronopsis californica Hilton, 1930
   3. Species Phoronopsis harmeri Pixell, 1912
   4. Species Phoronopsis malakhovi Temereva, 2000 accepted as Phoronopsis harmeri Pixell, 1912 (synonym)
   5. Species Phoronopsis striata Hilton, 1930 accepted as Phoronopsis harmeri Pixell, 1912 (synonym)
   6. Species Phoronopsis viridis Hilton, 1930 accepted as Phoronopsis harmeri Pixell, 1912 (synonym)
3. Genus Crepina van Beneden, 1858 accepted as Phoronis Wright, 1856
   1. Species Crepina gracilis van Beneden, 1858 accepted as Phoronis hippocrepia Wright, 1856 (synonym)
4. Genus Phoronella Häckel, 1896 accepted as Phoronis Wright, 1856
   1. Species Phoronella australis (Haswell, 1883) accepted as Phoronis australis Haswell, 1883

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