| Adita chionanthi (Abbot & Smith, 1797) | ⇒ Sympistis chons J.T.Troubridge, 2008 |
| Albirenia araucanica Hampson, 1909 | |
| Albirenia minense Angulo y Oli..., 1999 | |
| Albirenia transversalis (Rodriguez y ..., 2000) | ⇒ Gentiliana transversalis Rodríguez & ..., 2000 |
| Andesia lesa Koehler, 1979 | |
| Apharetra californiae (McDunnough, 1946) | ⇒ Sympistis californiae McDunnough, 1946 |
| Apharetra dentata (Grote, 1875) | ⇒ Sympistis dentata Grote, 1875 |
| Apharetra purpurea (McDunnough, 1940) | ⇒ Sympistis dentata Grote, 1875 |
| Aumakua omaomao Hayes & Sattler, 1980 | Giant Salamanders |
| Austramathes purpurea Butler, 1879 | |
| Braehylomia curvifascia | |
| Calliergis tropicalis Schaus, 1911 | |
| Calocea eucraspedica Dyar, 1914 | |
| Calophasia lunula Hufnagel, 1766 | Atlantic sole |
| Calophasia simplex Mabille, 1885 | |
| Calophasia strigata | |
| Cerapoda arrosta | |
| Cerapoda defectipes | |
| Cerapoda stylata (Smith, 1894) | ⇒ Rhizagrotis stylata J. B. Smith, 1893 |
| Cerapoda stylata arida Barnes & Ben..., 1923 | |
| Cerapoda stylata stylata | |
| Copicucullia antipoda (Strecker, 1878) | ⇒ Cucullia antipoda Strecker, 1877 |
| Copicucullia astigma Smith, 1894 | |
| Copicucullia basipuncta (Barnes & McD..., 1918) | ⇒ Cucullia basipuncta Barnes & McD..., 1918 |
| Copicucullia cucullioides (Barnes & Ben..., 1923) | ⇒ Cucullia cucullioides Barnes & Ben..., 1923 |
| Copicucullia eulepis (Grote, 1876) | ⇒ Cucullia eulepis Grote, 1876 |
| Copicucullia heinrichi (Barnes & Ben..., 1924) | ⇒ Cucullia heinrichi Köhler, 1952 |
| Copicucullia incresa Smith, 1910 | |
| Copicucullia jemezensis (Dyar, 1922) | ⇒ Cucullia astigma Smith, 1894 |
| Copicucullia luteodisca (Smith, 1909) | ⇒ Cucullia antipoda Strecker, 1877 |
| Copicucullia mcdunnoughi Henne, 1940 | |
| Copitarsia anatunca Angulo y Oli..., 1999 | |
| Copitarsia anguloi Castillo, 1991 | |
| Copitarsia basilinea Köhler, 1959 | |
| Copitarsia clavata Koehler, 1952 | |
| Copitarsia decolora (Guenée, 1852) | ⇒ Copitarsia turbata Herrich-Schä..., 1852 |
| Copitarsia fuscirena | |
| Copitarsia heydenreichii FREYER, 1851 | |
| Copitarsia humilis Blanchard, 1854 | |
| Copitarsia incommoda Walker, 1865 | |
| Copitarsia murina Angulo, Oliv..., 2001 | |
| Copitarsia naenoides Butler, 1882 | |
| Copitarsia paraturbata Castillo & A..., 1991 | |
| Copitarsia patagonica Hampson, 1905 | |
| Copitarsia purilinea Mabille, 1885 | |
| Copitarsia tamsi | |
| Copitarsia turbata Herrich-Schä..., 1852 | |
| Cotarsina vivax Köhler, 1952 | |
| Cucullia (Cucullia) absinthii Linnaeus, 1761 | The Wormwood |
| Cucullia (Cucullia) artemisiae Hufnagel, 1766 | Scarce Wormwood |
| Cucullia (Cucullia) asteris Denis & Schi..., 1775 | Star-wort |
| Cucullia (Cucullia) chamomillae Denis & Schi..., 1775 | Chamomile Shark |
| Cucullia (Cucullia) lactea Fabricius, 1787 | |
| Cucullia (Cucullia) lucifuga Denis & Schi..., 1775 | |
| Cucullia (Cucullia) propinqua (Eversmann, 1842) | ⇒ Cucullia antipoda Strecker, 1877 |
| Cucullia (Cucullia) santonici Hübner, 1813 | |
| Cucullia (Cucullia) tanaceti Denis & Schi..., 1775 | |
| Cucullia (Cucullia) umbratica Linnaeus, 1758 | Shark |
| Cucullia (Shargacucullia) lanceolata Villers, 1789 | |
| Cucullia (Shargacucullia) verbasci Linnaeus, 1758 | Mullein |
| Cucullia agua (Schaus, 1898) | ⇒ Cucullia lilacina Schaus, 1898 |
| Cucullia albida Smith, 1894 | |
| Cucullia alfarata Strecker, 1898 | Camphorweed Cucullia |
| Cucullia anthocharis Boursin, 1969 | |
| Cucullia antipoda Strecker, 1877 | |
| Cucullia antipoda adopitna Barnes & Ben..., 1927 | |
| Cucullia antipoda antipoda | |
| Cucullia argyrina Guenée, 1852 | |
| Cucullia aribac Barnes, 1904 | |
| Cucullia arizona (Smith, 1905) | ⇒ Cucullia oribac Barnes, 1904 |
| Cucullia asteriodes Guenée, 1852 | The Asteroid |
| Cucullia asteroides Guenée, 1852 | Asteroid |
| Cucullia asteroids Guenée, 1852 | |
| Cucullia astigma Smith, 1894 | Filefishes |
| Cucullia basipuncta Barnes & McD..., 1918 | West Coast sole |
| Cucullia bistriga Smith, 1892 | |
| Cucullia brunnea Hampson, 1902 | |
| Cucullia buddhae Walker, 1858 | |
| Cucullia charon Poole, 1995 | Pacific plaice |
| Cucullia cinderella (Speyer, 1870) | ⇒ Cucullia intermedia Speyer, 1870 |
| Cucullia cita (Grote, 1883) | ⇒ Cucullia laetifica Lintner, 1875 |
| Cucullia comstocki McDunnough, 1937 | Marginated tonguefish |
| Cucullia convexipennis Grote & Robi..., 1868 | Aster cutworm |
| Cucullia costaricensis Hampson, 1918 | |
| Cucullia cucullioides Barnes & Ben..., 1923 | Planehead filefish |
| Cucullia dammersi McDunnough, 1935 | |
| Cucullia dentilinea (Smith, 1899) | ⇒ Dolocucullia dentilinea Smith, 1899 |
| Cucullia dorsalis Smith, 1892 | Planehead filefish |
| Cucullia eccissica Dyar, 1919 | |
| Cucullia edificans Dyar, 1919 | |
| Cucullia eucaena Dyar, 1919 | |
| Cucullia eulepis Grote, 1876 | |
| Cucullia eureka Poole, 1995 | |
| Cucullia eurekae Poole, 1995 | Pacific plaice |
| Cucullia florea Guenée, 1852 | Gray Hooded Owlet |
| Cucullia heinrichi Köhler, 1952 | Khaki flounder |
| Cucullia hildana Schaus, 1938 | |
| Cucullia humilis Boursin, 1942 | |
| Cucullia incresa Smith, 1910 | |
| Cucullia intermedia Speyer, 1870 | Dusky Hooded Owlet |
| Cucullia intermedia cinderella (Smith, 1892) | ⇒ Cucullia intermedia Speyer, 1870 |
| Cucullia intermedia intermedia | |
| Cucullia laetifica Lintner, 1875 | Fringed filefish |
| Cucullia lethe Poole, 1995 | Pacific plaice |
| Cucullia lilacina Schaus, 1898 | |
| Cucullia luna Morrison, 1875 | |
| Cucullia mcdunnoughi Henne, 1940 | Sargassum triggerfish |
| Cucullia minor Barnes & McD..., 1913 | |
| Cucullia montanae Grote, 1882 | Coffee cliffbrake |
| Cucullia nanuscula | |
| Cucullia obscurior Guenée, 1852 | |
| Cucullia omissa Dod, 1916 | Black durgon |
| Cucullia oribac Barnes, 1904 | Foureyed sole |
| Cucullia perstrigata (Barnes, 1904) | ⇒ Cucullia oribac Barnes, 1904 |
| Cucullia phocylides Druce, 1889 | |
| Cucullia postera Guenée, 1852 | |
| Cucullia pulla Grote, 1881 | |
| Cucullia pura (Butler, 1883) | ⇒ Cucullia argyrina Guenée, 1852 |
| Cucullia serraticornis Lintner, 1874 | |
| Cucullia similaris Smith, 1892 | Planehead filefish |
| Cucullia speyeri Lintner, 1874 | Speyer'S Cucullia Moth |
| Cucullia strigata (Smith, 1892) | ⇒ Cucullia oribac Barnes, 1904 |
| Cucullia styx Poole, 1995 | Pacific plaice |
| Dolocucullia dentilinea Smith, 1899 | |
| Dolocucullia minor Barnes & McD..., 1913 | California tonguefish |
| Dolocucullia poolei Poole, 1995 | |
| Ectochela dasophrys Tams, 1930 | |
| Emariannia cucullidea Benjamin, 1933 | |
| Eumichtis adducta Felder, 1872 | |
| Eumichtis buxtoni Rothschild, 1921 | |
| Eumichtis chlorograpta Dognin, 1907 | |
| Eumichtis chlorosticta Dyar, 1916 | |
| Eumichtis exstrigata Dognin, 1914 | |
| Eumichtis gunderi | |
| Gentiliana transversalis Rodríguez & ..., 2000 | |
| Homohadena badistriga (Grote, 1872) | ⇒ Sympistis badistriga Grote, 1872 |
| Homohadena badistriga badistriga | |
| Homohadena badistriga rayata | |
| Homohadena badistriga tenuistriga | |
| Homohadena candida | |
| Homohadena dinalda (Smith, 1908) | ⇒ Sympistis dinalda J.B. Smith, 1908 |
| Homohadena fifia (Dyar, 1904) | ⇒ Sympistis fifia Dyar, 1904 |
| Homohadena incomitata (Harvey, 1875) | ⇒ Sympistis incomitata Harvey, 1875 |
| Homohadena inconstans (Grote, 1883) | ⇒ Sympistis inconstans Grote, 1883 |
| Homohadena induta (Harvey, 1874) | ⇒ Sympistis induta Harvey, 1874 |
| Homohadena infixa (Walker, 1856) | ⇒ Sympistis infixa Walker, 1856 |
| Homohadena infixa dinalda | ⇒ Sympistis doris J.T.Troubrid..., 2008 |
| Homohadena infixa infixa | |
| Homohadena rayata (Smith, 1908) | ⇒ Sympistis rayata Smith, 1908 |
| Homohadena retroversa (Smith, 1908) | ⇒ Sympistis doris J.T.Troubrid..., 2008 |
| Homohadena rustica (Barnes & McD..., 1911) | ⇒ Sympistis rustica Barnes & McD..., 1911 |
| Homohadena stabilis (Smith, 1896) | ⇒ Sympistis stabilis Smith, 1895 |
| Homoncocnemis fortis (Grote, 1880) | ⇒ Sympistis fortis Butler, 1880 |
| Homoncocnemis fortis fortis | |
| Homoncocnemis fortis picina | |
| Homoncocnemis picina (Grote, 1880) | ⇒ Sympistis picina Grote, 1880 |
| Homoncocnemis psaphidoides Dyar, 1914 | White-tailed Longtail |
| Hypnotype placens Walker, 1857 | |
| Lathosea dammersi McDunnough, 1935 | |
| Lathosea pulla (Grote, 1881) | ⇒ Cucullia pulla Grote, 1881 |
| Lathosea pullata (Grote, 1890) | ⇒ Cucullia pulla Grote, 1881 |
| Lathosea spaldingi (Barnes & Ben..., 1922) | ⇒ Cucullia pulla Grote, 1881 |
| Lathosea spauldingi (Barnes & Ben..., 1922) | ⇒ Cucullia pulla Grote, 1881 |
| Lathosea ursina | |
| Lepipolys behrensi (Grote, 1874) | ⇒ Sympistis behrensi Grote, 1874 |
| Lepipolys perscripta (Guenée, 1852) | ⇒ Sympistis perscripta Guenée, 1852 |
| Lycanades pulchella Smith, 1900 | |
| Lycanades purpurea Grote, 1874 | |
| Metopoceras philbyi Wiltshire, 1980 | |
| Neperigea continens H. Edwards, 1884 | |
| Neperigea costa Barnes & Ben..., 1923 | Chalcedony Midget |
| Neperigea mephisto Blanchard, 1968 | |
| Neperigea perolivalis Barnes & McD..., 1912 | |
| Neperigea suffusa Barnes & McD..., 1912 | |
| Neperigea tapeta Smith, 1900 | |
| Neumichtis callisina Turner, 1902 | |
| Neumichtis expulsa Guenée, 1852 | |
| Nycterophaeta luna (Morrison, 1875) | ⇒ Cucullia luna Morrison, 1875 |
| Nycterophaeta magdalena (Hulst, 1882) | ⇒ Cucullia luna Morrison, 1875 |
| Opsigalea blanchardi Todd, 1966 | Opsigalea Moth |
| Opsigalea ocellata Walker, 1865 | |
| Pseudocerura thoracica Butler, 1882 | |
| Pseudoglaea lobato | |
| Pseudoglaea olivata (Harvey, 1874) | ⇒ Mesogona subcuprea Crabo & Hammond, 1997 |
| Rancora comstocki McDunnough, 1937 | |
| Rancora ketchikana Barnes & Ben..., 1922 | |
| Rancora solidaginis (Behr, 1874) | ⇒ Cucullia serraticornis Lintner, 1874 |
| Rancora strigata Smith, 1892 | |
| Sericoglaea signata (Grote, 1880) | ⇒ Sericaglaea signata French, 1879 |
| Sympistis acheron J.T.Troubridge, 2008 | Eyed sole |
| Sympistis albifasciata Hampson, 1906 | |
| Sympistis amenthes J.T.Troubridge, 2008 | Eyed sole |
| Sympistis amissa Lefèbvre, 1836 | Palestriped flea beetle |
| Sympistis amun J.T.Troubridge, 2008 | Eyed sole |
| Sympistis anubis J.T.Troubridge, 2008 | Eyed sole |
| Sympistis anweileri J.T.Troubridge, 2008 | North American Spadefoots |
| Sympistis apep J.T.Troubridge, 2008 | Eyed sole |
| Sympistis apis J.T.Troubridge, 2008 | Eyed sole |
| Sympistis apposita Barnes & McD..., 1918 | West Coast sole |
| Sympistis aqualis Grote, 1881 | |
| Sympistis arizonensis Barnes, 1928 | |
| Sympistis astrigata Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis aterrima Grote, 1879 | |
| Sympistis atricollaris Harvey, 1875 | |
| Sympistis augustus Harvey, 1875 | |
| Sympistis babi J.T.Troubridge, 2008 | Eyed sole |
| Sympistis badistriga Grote, 1872 | Brown Lined Sallow |
| Sympistis bakeri Dyar, 1905 | |
| Sympistis baloghi J.T.Troubridge, 2008 | Eyed sole |
| Sympistis balteata Smith, 1902 | Flat cardiapod |
| Sympistis barnesii Smith, 1899 | |
| Sympistis basifugens Dyar, 1914 | Thickback sole |
| Sympistis behrensi Grote, 1874 | |
| Sympistis benjamini Lindsey, 1923 | |
| Sympistis bes J.T.Troubridge, 2008 | Eyed sole |
| Sympistis besla (Staudinger, 1857) | ⇒ Sympistis labradoris Staudinger, 1857 |
| Sympistis buchis J.T.Troubridge, 2008 | Eyed sole |
| Sympistis buto J.T.Troubridge, 2008 | Eyed sole |
| Sympistis californiae McDunnough, 1946 | Eastern Spadefoot |
| Sympistis chalybdis Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis chandleri Grote, 1873 | |
| Sympistis cherti J.T.Troubridge, 2008 | Eyed sole |
| Sympistis chionanthi J.E. Smith, 1797 | Fringe Tree Sallow |
| Sympistis chons J.T.Troubridge, 2008 | Eyed sole |
| Sympistis chorda Grote, 1880 | |
| Sympistis cibalis Grote, 1880 | |
| Sympistis ciliata Smith, 1900 | Silktassel |
| Sympistis cleopatra J.T.Troubridge, 2008 | Eyed sole |
| Sympistis cocklei Dyar, 1904 | |
| Sympistis cocytus J.T.Troubridge, 2008 | Eyed sole |
| Sympistis collaris J.T.Troubridge, 2008 | Eyed sole |
| Sympistis columbia McDunnough, 1922 | Eastern Spadefoot |
| Sympistis confusa FREYER, 1842 | |
| Sympistis coprocolor Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis corusca Smith, 1899 | |
| Sympistis cottami Blanchard, 1972 | |
| Sympistis curvicollis Grote, 1883 | |
| Sympistis dayi Grote, 1873 | |
| Sympistis deceptiva Barnes & Lin..., 1922 | |
| Sympistis definita Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis dentata Grote, 1875 | Blueberry Sallow |
| Sympistis deserta Smith, 1891 | Lizard beetles |
| Sympistis deserticola (McDunnough, 1941) | ⇒ Sympistis deserta Smith, 1891 |
| Sympistis dinalda J.B. Smith, 1908 | Broad-lined Sallow |
| Sympistis dischorda J.T.Troubridge, 2008 | Eyed sole |
| Sympistis disfigurata J.T.Troubridge, 2008 | Eyed sole |
| Sympistis doris J.T.Troubrid..., 2008 | Couch's Spadefoot |
| Sympistis dunbari Harvey, 1876 | |
| Sympistis duplex Troubridge &..., 2006 | Porcupinefishes |
| Sympistis eleaner Adams, 2018 | |
| Sympistis euta Smith, 1903 | Southern peacock sole |
| Sympistis extranea Smith, 1892 | |
| Sympistis extremis Smith, 1890 | |
| Sympistis fasciata H. Edwards, 1886 | Honeycomb filefish |
| Sympistis ferrirena Crabo, 2018 | |
| Sympistis fifia Dyar, 1904 | |
| Sympistis figurata Harvey, 1875 | |
| Sympistis forbesi Zacharczenko..., 2014 | |
| Sympistis fortis Butler, 1880 | |
| Sympistis franclemonti A. Blanchard, 1968 | Triangular boxfish |
| Sympistis funebris Hübner, 1809 | |
| Sympistis funesta (Hübner, 1809) | ⇒ Sympistis funebris Hübner, 1809 |
| Sympistis glennyi Grote, 1873 | |
| Sympistis goedeni Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis greyi Troubridge &..., 1998 | Little Grass Frogs |
| Sympistis griseicollis Grote, 1882 | |
| Sympistis grumi Alpheraky, 1892 | |
| Sympistis hapi J.T.Troubridge, 2008 | Eyed sole |
| Sympistis hathor J.T.Troubridge, 2008 | Eyed sole |
| Sympistis hayesi Grote, 1873 | |
| Sympistis helena Mustelin, 2006 | |
| Sympistis heliophila Paykull, 1793 | |
| Sympistis heterogena A. Blanchard, 1972 | |
| Sympistis homogena Grote, 1877 | Threespot flounder |
| Sympistis horus J.T.Troubridge, 2008 | Eyed sole |
| Sympistis ibapahensis Barnes & Ben..., 1924 | |
| Sympistis incomitata Harvey, 1875 | |
| Sympistis inconstans Grote, 1883 | |
| Sympistis incubus J.T.Troubridge, 2008 | Eyed sole |
| Sympistis induta Harvey, 1874 | False-eye toby |
| Sympistis infixa Walker, 1856 | Broad Lined Sallow |
| Sympistis insanina J.T.Troubridge, 2008 | Eyed sole |
| Sympistis intruda Smith, 1910 | |
| Sympistis iricolor Smith, 1888 | |
| Sympistis isis J.T.Troubridge, 2008 | Eyed sole |
| Sympistis jenniferae J.T.Troubridge, 2008 | Eyed sole |
| Sympistis jocelynae J.T.Troubridge, 2008 | Eyed sole |
| Sympistis kappa Grote, 1874 | |
| Sympistis kelloggi (H. Edwards, 1875) | ⇒ Sympistis kelloggii H. Edwards, 1875 |
| Sympistis kelloggii H. Edwards, 1875 | Sanddabs |
| Sympistis kelsoensis Robertson & ..., 2006 | |
| Sympistis khem J.T.Troubridge, 2008 | Eyed sole |
| Sympistis khepri J.T.Troubridge, 2008 | Eyed sole |
| Sympistis knudsoni J.T.Troubridge, 2008 | Eyed sole |
| Sympistis labradoris Staudinger, 1857 | |
| Sympistis lachrymosa J.T.Troubridge, 2008 | Eyed sole |
| Sympistis lacticollis Smith, 1908 | |
| Sympistis lapponica (Thunberg, 1791) | ⇒ Pararctia lapponica Thunberg, 1791 |
| Sympistis laticosta Dyar, 1904 | |
| Sympistis lepipoloides McDunnough, 1922 | Eastern Spadefoot |
| Sympistis levis Grote, 1880 | |
| Sympistis linda Barnes & McD..., 1913 | California tonguefish |
| Sympistis mackiei Barnes & Ben..., 1924 | |
| Sympistis major Grote, 1881 | |
| Sympistis meadiana Morrison, 1875 | |
| Sympistis melalutea Smith, 1899 | |
| Sympistis melantho Smith, 1899 | |
| Sympistis min J.T.Troubridge, 2008 | Eyed sole |
| Sympistis minor Barnes, 1928 | |
| Sympistis mirificalis Grote, 1879 | |
| Sympistis modesta McDunnough, 1933 | |
| Sympistis mut J.T.Troubridge, 2008 | Eyed sole |
| Sympistis nenum J.T.Troubridge, 2008 | |
| Sympistis nenun (Troubridge, 2008) | ⇒ Sympistis nenum J.T.Troubridge, 2008 |
| Sympistis nigrita (Boisduval, 1840) | ⇒ Sympistis labradoris Staudinger, 1857 |
| Sympistis nigrita zetterstedti Staudinger, 1857 | |
| Sympistis nigrocaput Smith, 1892 | |
| Sympistis nita Smith, 1910 | |
| Sympistis obscurata Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis occata Grote, 1875 | Harrow moth |
| Sympistis opleri J.T.Troubridge, 2008 | Eyed sole |
| Sympistis orbicularis Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis osiris J.T.Troubridge, 2008 | Eyed sole |
| Sympistis pachet J.T.Troubridge, 2008 | Eyed sole |
| Sympistis pallida Barnes, 1928 | |
| Sympistis pallidior Barnes, 1928 | |
| Sympistis parvacana Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis parvanigra Blackmore, 1923 | Ranid Frogs |
| Sympistis pernotata Grote, 1883 | |
| Sympistis perscripta Guenée, 1852 | Scribbled Sallow |
| Sympistis picina Grote, 1880 | |
| Sympistis piffardi Walker, 1862 | Black-banded Beauty |
| Sympistis poliafascies Dyar, 1910 | |
| Sympistis polingii Barnes, 1904 | |
| Sympistis poliochroa Hampson, 1906 | |
| Sympistis ptah J.T.Troubridge, 2008 | Eyed sole |
| Sympistis pudorata Smith, 1893 | |
| Sympistis punctilinea Hampson, 1906 | |
| Sympistis ra J.T.Troubridge, 2008 | Eyed sole |
| Sympistis ragani Barnes, 1928 | |
| Sympistis rayata Smith, 1908 | |
| Sympistis regina Smith, 1902 | Flat cardiapod |
| Sympistis richersi J.T.Troubridge, 2008 | Eyed sole |
| Sympistis riparia Morrison, 1875 | Dune sympistis |
| Sympistis rosea Smith, 1903 | Southern peacock sole |
| Sympistis rustica Barnes & McD..., 1911 | Fringed filefish |
| Sympistis sagittata Barnes & McD..., 1916 | |
| Sympistis sakhmet J.T.Troubridge, 2008 | Eyed sole |
| Sympistis sandaraca Buckett & Bauer, 1967 | Chubby basketfish |
| Sympistis sanina Smith, 1910 | |
| Sympistis satanella Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis saundersiana Grote, 1876 | Saunders Oncocnemis |
| Sympistis saxatilis Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis sectilis Smith, 1894 | Filefishes |
| Sympistis sectiloides Barnes & McD..., 1913 | California tonguefish |
| Sympistis semicollaris Smith, 1909 | |
| Sympistis septu J.T.Troubridge, 2008 | Eyed sole |
| Sympistis sesmu J.T.Troubridge, 2008 | Eyed sole |
| Sympistis seth J.T.Troubridge, 2008 | Eyed sole |
| Sympistis shait J.T.Troubridge, 2008 | Eyed sole |
| Sympistis shirleyae J.T.Troubridge, 2008 | Eyed sole |
| Sympistis sierrablanca Metzler & Sc..., 2019 | |
| Sympistis simplex Smith, 1888 | |
| Sympistis singularis Barnes & McD..., 1912 | Sharp-headed sole |
| Sympistis sobek J.T.Troubridge, 2008 | Eyed sole |
| Sympistis sokar J.T.Troubridge, 2008 | Eyed sole |
| Sympistis sorapis J.T.Troubridge, 2008 | Eyed sole |
| Sympistis spec Troubridge, 2008 | |
| Sympistis stabilis Smith, 1895 | Brown Sallow |
| Sympistis subsimplex Grote, 1881 | |
| Sympistis tartarea Troubridge &..., 1999 | Little Grass Frogs |
| Sympistis tenuifascia Smith, 1888 | |
| Sympistis tenuistriga McDunnough, 1940 | |
| Sympistis terminalis Smith, 1888 | |
| Sympistis tetrops Dyar, 1904 | |
| Sympistis toddi Blanchard, 1968 | Triangular boxfish |
| Sympistis umbrifascia Smith, 1894 | Filefishes |
| Sympistis utahensis Barnes & Ben..., 1924 | |
| Sympistis viriditincta Smith, 1894 | Filefishes |
| Sympistis wilsonensis Hill, 1924 | Pricklebelly blaasop |
| Sympistis wilsoni Barnes & Ben..., 1924 | Khaki flounder |
| Sympistis youngi McDunnough, 1922 | Eastern Spadefoot |
| Sympistis zetterstedti Staudinger, 1857 | |
| Sympistis zetterstedtii (Staudinger, 1857) | ⇒ Sympistis labradoris Staudinger, 1857 |
| Sympistis zetterstedtii kolthoffi Aurivillius, 1890 | |
| Sympistis zetterstedtii labradoris | |
| Sympistis zetterstedtii zetterstedtii Staudinger, 1857 | |
| Taeniosea discivaria Walker, 1856 | |
| Taeniosea gentilis (Hübner, 1817) | ⇒ Xylena tatajiana Chang, 1991 |
| Taeniosea perbellis (Hübner, 1817) | ⇒ Xylena tatajiana Chang, 1991 |
| Tenera andina Koehler, 1979 | |
| Tenera purpuracea Angulo & Oli..., 2000 | |
| Xylinissa bucephalina Mabille, 1885 | |
| Xylinissa lignitis Schaus, 1906 | |
