• Clio Linnaeus, 1767
• Clio (Balantium) Children, 1823 represented as Clio Linnaeus, 1767
• Clio (Balantium) collina A. W. Janssen & Zorn, 2001 † represented as Clio colina A. W. Janssen & Zorn, 2001 †
• Clio (Balantium) guidottii Simonelli, 1896 †
• Clio (Balantium) hataii (H. Noda, 1972) †
• Clio (Balantium) lavayssei Rutsch, 1934 † represented as Clio lavayssei Rutsch, 1934 †
• Clio (Balantium) recurva (Children, 1823) represented as Clio recurva (Children, 1823)
• Clio (Bellardiclio) A. W. Janssen, 2004 represented as Clio Linnaeus, 1767
• Clio (Bellardiclio) braidensis (Bellardi, 1873) † represented as Clio braidensis (Bellardi, 1873) †
• Clio (Bellardiclio) cuspidata (Bosc, 1801) represented as Clio cuspidata (Bosc, 1801)
• Clio (Bellardiclio) oblonga Rampal, 1996 † represented as Clio oblonga Rampal, 1996 †
• Clio (Clio) Linnaeus, 1767 represented as Clio Linnaeus, 1767
• Clio (Clio) pyramidata Linnaeus, 1767 represented as Clio pyramidata Linnaeus, 1767
• Clio (Nudiclio) Korobkov, 1966 † accepted as Clio Linnaeus, 1767
• Clio (Nudiclio) chadumica Korobkov, 1966 † accepted as Clio chadumica Korobkov, 1966 †
• Clio aichinoi Checchia-Rispoli, 1921 †
• Clio andreae (Boas, 1886)
• Clio antarctica Dall, 1908 accepted as Clio pyramidata antarctica Dall, 1908 accepted as Clio pyramidata Linnaeus, 1767
• Clio asphaltodes Beets, 1943 † accepted as Diacria mbaensis Ladd, 1934 †
• Clio australis Bruguière, 1792 accepted as Clione limacina australis (Bruguière, 1792)
• Clio balantium (Rang, 1834) accepted as Clio recurva (Children, 1823)
• Clio bellardii Audenino, 1897 †
• Clio berglundi Squires, 1989 † accepted as Clio berglundorum Squires, 1989 †
• Clio berglundorum Squires, 1989 †
• Clio blinkae A. W. Janssen, 1989 †
• Clio borealis (Pallas, 1774) accepted as Clione limacina (Phipps, 1774)
• Clio braidensis (Bellardi, 1873) †
• Clio calix (Bellardi, 1873) †
• Clio campylura (Tesch, 1948)
• Clio caralitana Robba & Spano, 1978 † accepted as Clio sulcosa (Bellardi, 1873) †
• Clio carinata Audenino, 1897 †
• Clio caudata Linnaeus, 1767 accepted as Clio pyramidata Linnaeus, 1767
• Clio chadumica Korobkov, 1966 †
• Clio chaptalii Gray, 1850
• Clio colina A. W. Janssen & Zorn, 2001 †
• Clio convexa (Boas, 1886)
• Clio convexa convexa (Boas, 1886)
• Clio convexa cyphosa Rampal, 2002
• Clio cuspidata (Bosc, 1801)
• Clio distefanoi Checchia-Rispoli, 1921 †
• Clio falcata Pfeffer, 1880 accepted as Clio polita Pelseneer, 1888
• Clio fallauxi (Kittl, 1886) †
• Clio flabelliforme (Blankenhorn, 1889)
• Clio flavescens Gegenbaur, 1855 accepted as Paraclione flavescens (Gegenbaur, 1855)
• Clio gailae Goedert & A. W. Janssen, 2012 †
• Clio garganica Sirna, 1968 † accepted as Clio distefanoi Checchia-Rispoli, 1921 †
• Clio ghawdexensis A. W. Janssen, 2003 †
• Clio giulioi A. W. Janssen, 1995 †
• Clio goederti Squires, 1989 † accepted as Clio goedertorum Squires, 1989 †
• Clio goedertorum Squires, 1989 †
• Clio guidottii Simonelli, 1896 †
• Clio hataii (H. Noda, 1972) †
• Clio helicina Phipps, 1774 accepted as Limacina helicina (Phipps, 1774)
• Clio ichishiensis (Shibata, 1983) †
• Clio irenae A. W. Janssen, 1989 †
• Clio itoigawai (Shibata, 1983) †
• Clio jacobae A. W. Janssen, 1989 †
• Clio kendacensis P. Jung, 1971 †
• Clio kipasiformis Beets, 1943 † accepted as Diacria mbaensis Ladd, 1934 †
• Clio lamartinieri d'Orbigny, 1841 (uncertain > nomen dubium)
• Clio lavayssei Rutsch, 1934 †
• Clio limacina Phipps, 1774 accepted as Clione limacina (Phipps, 1774)
• Clio longicaudata Souleyet, 1852 accepted as Paraclione longicaudata (Souleyet, 1852)
• Clio lozoueti Cahuzac & A. W. Janssen, 2010 †
• Clio lucai A. W. Janssen, 2000 †
• Clio mediterranea Gegenbaur, 1855 accepted as Cliopsis krohnii Troschel, 1854
• Clio merijni A. W. Janssen, 2012 †
• Clio miquelonensis Rang, 1825 accepted as Clione limacina (Phipps, 1774)
• Clio multicostata (Bellardi, 1873) †
• Clio nielseni A. W. Janssen, 1990 †
• Clio oblonga Rampal, 1996 †
• Clio orthotheca (Tesch, 1948)
• Clio pauli A. W. Janssen, 1989 †
• Clio pedemontana (C. Mayer, 1868) †
• Clio piatkowskii van der Spoel, Schalk & Bleeker, 1992
• Clio polita Pelseneer, 1888
• Clio pulcherrima (Mayer, 1868) †
• Clio punctata Tesch, 1903 accepted as Fowlerina punctata (Tesch, 1903)
• Clio pyramidata Linnaeus, 1767
• Clio pyramidata angusta (Boas, 1886)
• Clio pyramidata antarctica Dall, 1908 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. antarctica Dall, 1908 accepted as Clio pyramidata antarctica Dall, 1908 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. convexa (Boas, 1886) accepted as Clio convexa (Boas, 1886)
• Clio pyramidata f. excisa van der Spoel, 1963 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. lanceolata (Lesueur, 1813) accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. martensii (Pfeffer, 1880) accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. pyramidata Linnaeus, 1767 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. sulcata (Pfeffer, 1879) accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata f. tyrrhenica A. W. Janssen, 2012 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata lanceolata (Lesueur, 1813) accepted as Clio pyramidata f. lanceolata (Lesueur, 1813) accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata pyramidata Linnaeus, 1767 accepted as Clio pyramidata f. pyramidata Linnaeus, 1767 accepted as Clio pyramidata Linnaeus, 1767
• Clio pyramidata var. convexa (Boas, 1886) accepted as Clio convexa (Boas, 1886)
• Clio quadrispinosa Rang, 1831 accepted as Clio cuspidata (Bosc, 1801)
• Clio recurva (Children, 1823)
• Clio retusa Linnaeus, 1767 accepted as Clio pyramidata Linnaeus, 1767
• Clio ricciolii (Calandrelli, 1844) †
• Clio saccoi Checchia-Rispoli, 1921 †
• Clio scheelei (Munthe, 1888)
• Clio shibatai Ujihara, 1996 †
• Clio sulcata (Pfeffer, 1879) accepted as Clio pyramidata f. sulcata (Pfeffer, 1879) accepted as Clio pyramidata Linnaeus, 1767