Fridericia alpina Bretscher, 1899 (status source)
Fridericia alpinula Bretscher, 1900 (status source)
Fridericia antarctica Beddard, 1894 accepted as Fridericia ratzeli (Eisen, 1872) (source of synonymy)
Fridericia antensteineri Bauer, 1996 (status source)
Fridericia argillae Schmelz, 2003 (original description)
Fridericia armenica Schmelz, 2003 (original description)
Fridericia auriculata Bretscher, 1900 (status source)
Fridericia auritoides Schmelz, 2003 (original description)
Fridericia balsae Botea, 1976 (status source)
Fridericia beddardi Bretscher, 1900 accepted as Fridericia ratzeli (Eisen, 1872) (source of synonymy)
Fridericia bedoti Bretscher, 1904 (status source)
Fridericia belgica Černosvitov, 1936 accepted as Fridericia ratzeli (Eisen, 1872) (source of synonymy)
Fridericia bichaeta Nusbaum, 1895 accepted as Fridericia bisetosa (Levinsen, 1884) (source of synonymy)
Fridericia bollonsi Benham, 1915 accepted as Fridericia peregrinabunda Michaelsen, 1913 (source of synonymy)
Fridericia bollonsi oliveri Benham, 1915 accepted as Fridericia oliveri Benham, 1915 (status source)
Fridericia carmichaeli Stephenson, 1915 accepted as Fridericia peregrinabunda Michaelsen, 1913 (source of synonymy)
Fridericia christiani Bauer, 1998 (status source)
Fridericia clitellaris Bretscher, 1900 (status source)
Fridericia cognettii Bretscher, 1904 (status source)
Fridericia composti Schmelz, 2003 (original description)
Fridericia cusanica Schmelz, 2003 (original description)
Fridericia diachaeta Bretscher, 1900 (status source)
Fridericia digitata Cognetti, 1901 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia dissimilis Dumnicka, 1998 accepted as Fridericia deformis Möller, 1971 (source of synonymy)
Fridericia dozsae Schmelz, 2003 (original description)
Fridericia emarginata Bretscher, 1902 (additional source)
Fridericia exserta Bretscher, 1902 (status source)
Fridericia fruttensis Bretscher, 1900 (status source)
Fridericia giniata Springett, 1971 accepted as Fridericia peregrinabunda Michaelsen, 1913 (source of synonymy)
Fridericia glandulosa Southern, 1907 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia granosa Schmelz, 2003 (original description)
Fridericia healyae Schmelz, 2003 (original description)
Fridericia heliota Zalesskaja, Petushkov & Rodionova, 1990 (additional source)
Fridericia helvetica Bretscher, 1896 (status source)
Fridericia humilis Friend, 1911 (status source)
Fridericia insubrica Bretscher, 1900 (status source)
Fridericia irregularis Bretscher, 1903 (status source)
Fridericia jordanensis Bell, 1962 (status source)
Fridericia kalinga Dash, Nanda & Thambi, 1978 (status source)
Fridericia lacustris Bretscher, 1899 (status source)
Fridericia lenta Schmelz, 2003 (original description)
Fridericia loretensis Schmelz, 2003 (original description)
Fridericia minuta Bretscher, 1900 (status source)
Fridericia nielseni Dash, 1972 accepted as Fridericia vancouverensis Dash, 1983 accepted as Fridericia paroniana Issel, 1904 (taxonomy source)
Fridericia novaezelandiae Beddard, 1895 (status source)
Fridericia oligosetosa Nusbaum, 1895 (status source)
Fridericia orghidani Botea, 1970 (status source)
Fridericia paranemoralis Dózsa-Farkas, 1982 (status source)
Fridericia polychaeta Bretscher, 1900 (status source)
Fridericia popi Botea, 1976 (status source)
Fridericia quadriglobulata Bretscher, 1903 (status source)
Fridericia reversa Friend, 1913 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia rosae Cognetti, 1899 (status source)
Fridericia simeani Botea, 1973 (status source)
Fridericia sonorae Eisen, 1904 (status source)
Fridericia syracussa Dash & Mitchell, 1981 accepted as Enchytraeus syracussus (Dash & Mitchell, 1981) (new combination reference)
Fridericia terrestris Bretscher, 1900 (status source)
Fridericia tirolensis Schmidegg, 1938 (status source)
Fridericia tridiverticula Kasprzak, 1972 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia udei Bretscher, 1899 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia ulmicola Friend, 1898 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia uniampullata Backlund, 1946 accepted as Fridericia ratzeli (Eisen, 1872) (source of synonymy)
Fridericia uniglandula Stephenson, 1931 accepted as Fridericia galba (Hoffmeister, 1843) (source of synonymy)
Fridericia valdarnensis Dequal, 1914 (status source)
Fridericia valdensis Issel, 1905 accepted as Fridericia striata (Levinsen, 1884) (source of synonymy)
Fridericia vancouverensis Dash, 1983 accepted as Fridericia paroniana Issel, 1904 (source of synonymy)
Fridericia variata Bretscher, 1902 (status source)
Fridericia zykoffi Vejdovský in Zykoff, 1904 (status source)

 Etymology

 for Fridericia Michaelsen, 1889

named in honour of W. Michaelsen's father Friedrich Michaelsen [details]

 Homonymy

 for Fridericia parva Bretscher, 1902

F. parva Bretscher was renamed into F. bretscheri by Southern (1907) because the name was pre-occupied by F. parva ... [details]