• Morum Röding, 1798
• Morum (Cancellomorum) W. K. Emerson & Old, 1963 accepted as Morum (Oniscidia) Mörch, 1852 represented as Morum Röding, 1798
• Morum (Cancellomorum) lindae Petuch, 1987 accepted as Morum lindae Petuch, 1987
• Morum (Cancellomorum) praeclarum Melvill, 1919 represented as Morum praeclarum Melvill, 1919
• Morum (Cancellomorum) veleroae W. K. Emerson, 1968 represented as Morum veleroae W. K. Emerson, 1968
• Morum (Cancellomorum) watsoni Dance & W. K. Emerson, 1967 accepted as Morum watsoni Dance & W. K. Emerson, 1967
• Morum (Herculea) H. Adams & A. Adams, 1858 represented as Morum Röding, 1798
• Morum (Herculea) ponderosum (Hanley, 1858) represented as Morum ponderosum (Hanley, 1858)
• Morum (Morum) Röding, 1798 represented as Morum Röding, 1798
• Morum (Morum) strombiforme (Reeve, 1842) represented as Morum strombiforme (Reeve, 1842)
• Morum (Onimusiro) Kuroda & T. Habe, 1971 accepted as Morum (Oniscidia) Mörch, 1852 represented as Morum Röding, 1798
• Morum (Onimusiro) teramachii Kuroda & Habe, 1961 accepted as Morum teramachii Kuroda & Habe, 1961
• Morum (Onimusiro) uchiyamai Kuroda & Habe, 1961 accepted as Morum uchiyamai Kuroda & Habe, 1961
• Morum (Oniscidia) Mörch, 1852 represented as Morum Röding, 1798
• Morum (Oniscidia) bruuni (A. W. B. Powell, 1958) represented as Morum bruuni (A. W. B. Powell, 1958)
• Morum (Oniscidia) cancellatum (G. B. Sowerby I, 1825) represented as Morum cancellatum (G. B. Sowerby I, 1825)
• Morum (Oniscidia) celinamarumai Kosuge, 1981 accepted as Morum (Oniscidia) joelgreenei W. K. Emerson, 1981 represented as Morum joelgreenei W. K. Emerson, 1981
• Morum (Oniscidia) concilium D. Monsecour, K. Monsecour & Lorenz, 2018 represented as Morum concilium D. Monsecour, K. Monsecour & Lorenz, 2018
• Morum (Oniscidia) exquisitum (A. Adams & Reeve, 1850) represented as Morum exquisitum (A. Adams & Reeve, 1850)
• Morum (Oniscidia) fatimae Poppe & Brulet, 1999 represented as Morum fatimae Poppe & Brulet, 1999
• Morum (Oniscidia) finlayi (Laws, 1932) † represented as Morum finlayi (Laws, 1932) †
• Morum (Oniscidia) grande A. Adams, 1853 accepted as Oniscia grandis A. Adams, 1855 accepted as Morum grande (A. Adams, 1855)
• Morum (Oniscidia) harpaeforme (Grateloup, 1827) † accepted as Morum cythara (Brocchi, 1814) †
• Morum (Oniscidia) harpaforme A. W. B. Powell & Bartrum, 1929 † represented as Morum harpaforme A. W. B. Powell & Bartrum, 1929 †
• Morum (Oniscidia) harpaformis A. W. B. Powell & Bartrum, 1929 † accepted as Morum harpaforme A. W. B. Powell & Bartrum, 1929 †
• Morum (Oniscidia) inerme Lorenz, 2014 represented as Morum inerme Lorenz, 2014
• Morum (Oniscidia) janae D. Monsecour & Lorenz, 2011 represented as Morum janae D. Monsecour & Lorenz, 2011
• Morum (Oniscidia) joelgreenei W. K. Emerson, 1981 represented as Morum joelgreenei W. K. Emerson, 1981
• Morum (Oniscidia) jungi Landau, 1996 † represented as Morum jungi Landau, 1996 †
• Morum (Oniscidia) kurzi Petuch, 1979 represented as Morum kurzi Petuch, 1979
• Morum (Oniscidia) lorenzi D. Monsecour, 2011 represented as Morum lorenzi D. Monsecour, 2011
• Morum (Oniscidia) macdonaldi W. K. Emerson, 1981 represented as Morum macdonaldi W. K. Emerson, 1981
• Morum (Oniscidia) morrisoni D. Monsecour, Lorenz & K. Monsecour, 2020 represented as Morum morrisoni D. Monsecour, Lorenz & K. Monsecour, 2020
• Morum (Oniscidia) ninomiyai W. K. Emerson, 1986 represented as Morum ninomiyai W. K. Emerson, 1986
• Morum (Oniscidia) praeclarum Melvill, 1919 represented as Morum praeclarum Melvill, 1919
• Morum (Oniscidia) quilonicum Dey, 1962 † accepted as Fusimorio quilonicus (Dey, 1962) †
• Morum (Oniscidia) teramachii Kuroda & Habe, 1961 represented as Morum teramachii Kuroda & Habe, 1961
• Morum (Oniscidia) uchiyamai Kuroda & Habe, 1961 represented as Morum uchiyamai Kuroda & Habe, 1961
• Morum (Oniscidia) variolosum (Grateloup, 1834) † represented as Morum variolosum (Grateloup, 1834) †
• Morum (Oniscidia) vicdani W. K. Emerson, 1995 represented as Morum vicdani W. K. Emerson, 1995
• Morum (Oniscidia) watanabei Kosuge, 1981 represented as Morum watanabei Kosuge, 1981
• Morum alfi Thach, 2018
• Morum amabile Shikama, 1973
• Morum antiquissimum (K. Martin, 1914) †
• Morum bayeri Petuch, 2001
• Morum bellardii (Sacco, 1890) †
• Morum berschaueri Petuch & R. F. Myers, 2015
• Morum bruuni (A. W. B. Powell, 1958)
• Morum cancellatum (G. B. Sowerby I, 1825)
• Morum celinamarumai Kosuge, 1981 accepted as Morum joelgreenei W. K. Emerson, 1981
• Morum chavani (Furon, 1948) †
• Morum claibornense (Garvie, 2013) †
• Morum clatratum Bouchet, 2002
• Morum concilium D. Monsecour, K. Monsecour & Lorenz, 2018
• Morum cythara (Brocchi, 1814) †
• Morum damasoi Petuch & Berschauer, 2020
• Morum delectum (Garrard, 1961) accepted as Morum bruuni (A. W. B. Powell, 1958)
• Morum dennisoni (Reeve, 1842)
• Morum domingense (G. B. Sowerby I, 1850) †
• Morum dunkeri Speyer, 1862 † accepted as Morum minor (Grateloup, 1845) †
• Morum exquisitum (A. Adams & Reeve, 1850)
• Morum fatimae Poppe & Brulet, 1999
• Morum finlayi (Laws, 1932) †
• Morum floridana H. I. Tucker & D. Wilson, 1933 † accepted as Morum floridanum H. I. Tucker & D. Wilson, 1933 † accepted as Morum oniscus (Linnaeus, 1767)
• Morum floridanum H. I. Tucker & D. Wilson, 1933 † accepted as Morum oniscus (Linnaeus, 1767)
• Morum grande (A. Adams, 1855)
• Morum harpaeforme (Grateloup, 1827) † accepted as Morum cythara (Brocchi, 1814) †
• Morum harpaforme A. W. B. Powell & Bartrum, 1929 †
• Morum harpula (Conrad, 1847) † (uncertain > unassessed)
• Morum inerme Lorenz, 2014
• Morum janae D. Monsecour & Lorenz, 2011
• Morum joelgreenei W. K. Emerson, 1981
• Morum jungi Landau, 1996 †
• Morum kreipli Thach, 2018
• Morum kurzi Petuch, 1979
• Morum lamarcki (Deshayes, 1844) accepted as Morum purpureum Röding, 1798
• Morum lamarckii (Deshayes, 1844) accepted as Morum purpureum Röding, 1798
• Morum lathraeum D. Monsecour, Lorenz & K. Monsecour, 2019
• Morum lindae Petuch, 1987
• Morum lorenzi D. Monsecour, 2011
• Morum macandrewi (G. B. Sowerby III, 1889)
• Morum macdonaldi W. K. Emerson, 1981
• Morum macgintyi M. Smith, 1937 † (uncertain > unassessed)
• Morum mariaodeteae Petuch & Berschauer, 2020
• Morum matthewsi W. K. Emerson, 1967
• Morum minor (Grateloup, 1845) †
• Morum morrisoni D. Monsecour, Lorenz & K. Monsecour, 2020
• Morum neglectum (Michelotti, 1861) †
• Morum ninomiyai W. K. Emerson, 1986
• Morum oniscus (Linnaeus, 1767)
• Morum petestimpsoni Thach, 2017
• Morum ponderosum (Hanley, 1858)
• Morum praeclarum Melvill, 1919
• Morum purpureum Röding, 1798
• Morum roseum Bouchet, 2002
• Morum strombiforme (Reeve, 1842)
• Morum teramachii Kuroda & Habe, 1961
• Morum tuberculosum (Reeve, 1842)
• Morum uchiyamai Kuroda & Habe, 1961
• Morum variolosum (Grateloup, 1834) †