• Glycera Haswell, 1879 (uncertain) [Family: Uristidae]
• Glycera Lamarck, 1818 [Family: Glyceridae]
• Glycera abranchiata Treadwell, 1901
• Glycera africana Arwidsson, 1899 accepted as Glycera convoluta Keferstein, 1862
• Glycera alba (O.F. Müller, 1776)
• Glycera albicans Quatrefages, 1850 accepted as Glycera alba (O.F. Müller, 1776)
• Glycera amadaiba Imajima, 2003
• Glycera amboinensis McIntosh, 1885
• Glycera americana Leidy, 1855
• Glycera asymmetrica Day, 1973
• Glycera baltica Eisenack, 1939
• Glycera basibranchia Chamberlin, 1919 accepted as Glycera pacifica Kinberg, 1866
• Glycera bassensis Böggemann & Fiege, 2001
• Glycera benguellana Augener, 1931
• Glycera benhami Böggemann & Fiege, 2001
• Glycera branchialis Quatrefages, 1866
• Glycera branchiopoda Moore, 1911
• Glycera brevicirris Grube, 1870
• Glycera calbuconensis Hartmann-Schröder, 1962
• Glycera capitata Örsted, 1843
• Glycera carnea Blanchard in Gay, 1849
• Glycera celtica O'Connor, 1987
• Glycera chilensis Arwidsson, 1899 accepted as Glycera longissima Arwidsson, 1899
• Glycera chirori Izuka, 1912
• Glycera cinnamomea Grube, 1874
• Glycera cirrata Fauvel, 1932 accepted as Glycera americana Leidy, 1855
• Glycera convoluta Keferstein, 1862
• Glycera corrugata Baird, 1863 accepted as Glycera americana Leidy, 1855
• Glycera danica Quatrefages, 1866 accepted as Glycera alba (O.F. Müller, 1776)
• Glycera dayi O'Connor, 1987
• Glycera decipiens Marenzeller, 1879
• Glycera decorata Quatrefages, 1866 accepted as Glycera gigantea Quatrefages, 1866
• Glycera dentribranchia Lee, 1985
• Glycera derbyensis Hartmann-Schröder, 1979
• Glycera dibranchiata Ehlers, 1868
• Glycera diodon Schmarda, 1861
• Glycera diva Böggemann, 2009
• Glycera dubia (Blainville, 1825)
• Glycera edentata Hansen, 1882 accepted as Glycera americana Leidy, 1855
• Glycera edwardsi Gravier, 1900
• Glycera edwardsi Gravier, 1906 accepted as Glycera lancadivae Schmarda, 1861
• Glycera ehlersi Arwidsson, 1899
• Glycera embranchiata Krishnamoorthi, 1962
• Glycera epipolasis (Chamberlin, 1919)
• Glycera exigua Chamberlin, 1919 accepted as Glycera macrobranchia Moore, 1911
• Glycera fallax Quatrefages, 1850
• Glycera folliculosa Ehlers, 1868 accepted as Glycera gigantea Quatrefages, 1866
• Glycera fundicola Chamberlin, 1919
• Glycera fusiformis Fischli, 1900
• Glycera gigantea Quatrefages, 1866
• Glycera gilbertae Böggemann & Fiege, 2001
• Glycera glaucopsammensis Charletta & Boyer, 1974 †
• Glycera goesi Malmgren, 1867 accepted as Glycera unicornis Savigny in Lamarck, 1818
• Glycera guatemalensis Böggemann & Fiege, 2001
• Glycera guinensis Augener, 1918
• Glycera hasidatensis Izuka, 1912
• Glycera heteropoda Hartmann-Schröder, 1962
• Glycera incerta Hansen, 1882
• Glycera jucunda Kinberg, 1866 accepted as Glycera americana Leidy, 1855
• Glycera juliae Magalhaes & Rizzo, 2012
• Glycera kerguelensis McIntosh, 1885
• Glycera knoxi Kirkegard, 1995
• Glycera koehleri Roule, 1896 accepted as Glycera tesselata Grube, 1840
• Glycera kraussii Stimpson, 1856 accepted as Glycera unicornis Savigny in Lamarck, 1818
• Glycera laevis Kinberg, 1866 accepted as Glycera americana Leidy, 1855
• Glycera lamelliformis McIntosh, 1885
• Glycera lamellipodia Knox, 1960
• Glycera lancadivae Schmarda, 1861
• Glycera lapidum Quatrefages, 1866
• Glycera longipinnis Grube, 1878
• Glycera longissima Arwidsson, 1899
• Glycera macintoshi Grube, 1877
• Glycera macrobranchia Moore, 1911
• Glycera macrorhiza Schmarda, 1861
• Glycera madagascariensis Böggemann & Fiege, 2001
• Glycera manorae Fauvel, 1932
• Glycera martensii Grube, 1870
• Glycera mauritiana Grube, 1870
• Glycera meckelii Audouin & Milne Edwards, 1833 accepted as Glycera unicornis Savigny in Lamarck, 1818
• Glycera mesnili Saint-Joseph, 1898 accepted as Glycera unicornis Savigny in Lamarck, 1818
• Glycera mexicana (Chamberlin, 1919)
• Glycera microdonta Schmarda, 1861 accepted as Glycera micrognatha Schmarda, 1861
• Glycera micrognatha Schmarda, 1861
• Glycera mimica Hartman, 1965
• Glycera minuta (Bobretzky, 1870)
• Glycera misakiensis Izuka, 1912 accepted as Glycera americana Leidy, 1855
• Glycera mitis Johnston, 1865 accepted as Glycera fallax Quatrefages, 1850
• Glycera monodon Schmarda, 1861
• Glycera mortensii Grube, 1870
• Glycera muelleri Quatrefages, 1866 accepted as Glycera capitata Örsted, 1843
• Glycera nana Johnson, 1901 accepted as Glycera capitata Örsted, 1843
• Glycera natalensis Day, 1957
• Glycera neorobusta Imajima, 2009
• Glycera nicobarica Grube, 1866 accepted as Glycera unicornis Savigny in Lamarck, 1818
• Glycera nicobarica Grube, 1868
• Glycera nigripes Hornell, 1891
• Glycera noelae Böggemann, Bienhold & Gaudron, 2012
• Glycera okai Imajima, 2009
• Glycera onomichiensis Izuka, 1912
• Glycera opisthobranchiata Marenzeller, 1879