• Sol F.H. Cramer, 1964 † [Phylum: Acritarcha, Family: ]
• Sol Fischer, 1885 (uncertain) [Phylum: Mollusca, Family: Mollusca (awaiting allocation)]
• Sol Schulze, 1760 (uncertain) [Phylum: Echinodermata, Family: Echinodermata (awaiting allocation)]
• Sol planus Martin, 1969 †
• Sol radians Cramer, 1964 †
• Sol radiofurcatus Cramer, 1964 †
• Solacolumnus Donovan, 1995 † (uncertain)
• Solacrinus Agassiz, 1836 (uncertain) [Family: Echinodermata (awaiting allocation)]
• Solacrinus Geinitz, 1846 † accepted as Solanocrinites Goldfuss, 1831 † [Family: Comatulida (awaiting allocation)]
• Solactiniella Steiner, Mehl, Reitner & Erdtmann, 1993 † (uncertain)
• Solaenacanthus Oersted, 1854 (uncertain)
• Solaenaulus Attems, 1940
• Solaenobolellus Hoffman, 1981
• Solaenodolichopus Verhoeff, 1924
• Solaenodolichopus annulatus Verhoeff, 1941 accepted as Solaenodolichopus pruvoti (Brolemann, 1931)
• Solaenodolichopus pruvoti (Brolemann, 1931)
• Solaenodolichopus rubriventris Verhoeff, 1928 accepted as Parwalesoma rubriventris (Verhoeff, 1928)
• Solaenodolichopus sulcatus (Verhoeff, 1928)
• Solaenodolichopus teres (Verhoeff, 1924)
• Solaenodolichopus vittatus (Verhoeff, 1924)
• Solaenodolichopus walesius Verhoeff, 1928 accepted as Parwalesoma walesium (Verhoeff, 1928)
• Solaenogona Hoffman, 1950
• Solaenogona chiapas Shear, 1972
• Solaenogona guatemalana Hoffman, 1950
• Solaenoiulus Schubert, 1932 (uncertain)
• Solaenophyllum Verhoeff, 1910 (uncertain)
• Solaenorhabdus Hoffmann, 1950
• Solaenorhabdus contortus (Brolemann, 1900)
• Solafilaria Chabaud, Anderson & Brygoo, 1960
• Solafilaria guibei Chabaud, Anderson & Brygoo, 1959
• Solagmedens Bauchot & Blanc, 1963 accepted as Campogramma Regan, 1903
• Solagmedens africana (Delsman, 1941) accepted as Campogramma glaycos (Lacepède, 1801)
• Solaia Sama, 2003
• Solaia antonellae Sama, 2003
• Solamegilla Marikovskaya, 1980 (uncertain)
• Solamen Iredale, 1924
• Solamen bulla (Dunker, 1857)
• Solamen columbianum (Dall, 1897)
• Solamen dollfusi (Dautzenberg, 1910)
• Solamen glandula (Totten, 1834)
• Solamen leanum (Dall, 1897)
• Solamen megas (Dall, 1902)
• Solamen persicum (E.A. Smith, 1906)
• Solamen recens (Tate, 1897)
• Solamen rex Iredale, 1924
• Solamen saccosericata Habe, 1951 accepted as Solamen spectabilis (A. Adams, 1862)
• Solamen sibogae Prashad, 1932 accepted as Solamen spectabilis (A. Adams, 1862)
• Solamen spectabilis (A. Adams, 1862)
• Solamen striatissima (G.B. Sowerby III, 1904)
• Solanaceae de Jussieu, 1789
• Solanacrinus Müller, 1840 † accepted as Solanocrinites Goldfuss, 1831 †
• Solanales
• Solanales (awaiting allocation) (temporary name)
• Solanasca Ghauri, 1974
• Solanastrum Heister ex Fabricius, 1759 accepted as Solanum Linnaeus, 1753
• Solandangella Horny, 1995 † (uncertain)
• Solanderara J.M.H. Shaw, 2004 accepted as Solanderara J.M.H. Shaw, 2005
• Solanderara J.M.H. Shaw, 2005
• Solanderia Duchassaing & Michelin, 1846 [Family: Solanderiidae]
• Solanderia P. Fischer, 1879 accepted as Rossiteria Brazier, 1895 [Family: Trochidae]
• Solanderia atrorubens (Gray, 1868) accepted as Solanderia fusca (Gray, 1868)
• Solanderia crosslandi (Hickson, 1903) accepted as Solanderia secunda (Inaba, 1892)
• Solanderia dendritica (Fraser, 1938)
• Solanderia ericopsis (Carter, 1873)
• Solanderia fusca (Gray, 1868)
• Solanderia gracilis Duchassaing & Michelin, 1846
• Solanderia minima Hickson, 1903
• Solanderia misakiensis Hirohito, 1988 accepted as Solanderia misakinensis (Inaba, 1892)
• Solanderia misakinensis (Inaba, 1892)
• Solanderia procumbens (Carter, 1873)
• Solanderia secunda (Inaba, 1892)
• Solanderia verrucosa (Mobius, 1861) accepted as Homophyton verrucosum (Möbius, 1861)
• Solanderiidae Marshall, 1892
• Solanderina Dall, 1902 (uncertain)
• Solandra J.A. Murray, 1785 (unaccepted) [Family: Malvaceae]
• Solandra Linnaeus, 1759 (unaccepted) [Family: Apiaceae]
• Solandra O. Swartz, 1787 [Family: Solanaceae]
• Solandra grandiflora Sw.
• Solanecio (C.H. Schultz-Bipontinus) W.G. Walpers, 1846
• Solanella J. Vañha, 1910
• Solangella Martins, 1997
• Solangella lachrymosa (Martins & Monné, 1975)
• Solangella meridana (Bates, 1872)
• Solangella micromacula Martins, 1997
• Solanichnium Plicka & Nemcova, 1991 † (uncertain)
• Solanispermum M.E.J. Chandler, 1957 † (uncertain)
• Solaniterna Efetov, 2004 accepted as Jordanita Verity, 1946 accepted as Procris Fabricius, 1807
• Solanites G. Saporta, 1862 † (uncertain)
• Solanithrips Johansen, 1997
• Solanium Johnson, 1859 (unaccepted)
• Solanoa E.L. Greene, 1890 accepted as Asclepias Linnaeus, 1753
• Solanoa purpurascens (Gray) Greene accepted as Asclepias solanoana Woods.
• Solanocharis Bitter, 1918 accepted as Solanum Linnaeus, 1753
• Solanocoris Carvalho, 1946 (uncertain)
• Solanocrinites Goldfuss, 1831 †
• Solanocrinitidae Jaekel, 1918 †
• Solanocrinus Münster, 1839 † accepted as Solanocrinites Goldfuss, 1831 †
• Solanodolichopus Verhoeff, 1928 accepted as Solaenodolichopus Verhoeff, 1924
• Solanoides P. Miller, 1754 (uncertain)
• Solanometra Clark, 1911