| Alaskaperla ovibovis Ricker, 1965 | Alaska Sallfly |
| Alloperla acadiana Harper, 1984 | Brunswick Sallfly |
| Alloperla aracoma Harper & Kir..., 1978 | Aracoma Sallfly |
| Alloperla atlantica Baumann, 1974 | Atlantic Sallfly |
| Alloperla banksi Frison, 1942 | Tufted sallfly |
| Alloperla biserrata Nelson & Kon..., 1980 | Dusky Sallfly |
| Alloperla borealis (Banks, 1895) | ⇒ Sweltsa borealis Banks, 1895 |
| Alloperla caddo Poulton & St..., 1987 | Caddo Sallfly |
| Alloperla caudata Frison, 1934 | Ozark Sallfly |
| Alloperla chandleri Jewett, 1954 | Mariposa Sallfly |
| Alloperla chloris Frison, 1934 | Triangular Sallfly |
| Alloperla clarki Grubbs & Bau..., 2019 | |
| Alloperla concolor (Ricker, 1935) | ⇒ Alloperla neglecta Frison, 1935 |
| Alloperla continua (Banks, 1911) | ⇒ Sweltsa continua Banks, 1911 |
| Alloperla cydippe Newman, 1839 | |
| Alloperla delicata Frison, 1935 | Convoluted barbula moss |
| Alloperla dubia (Frison, 1935) | ⇒ Suwallia dubia Frison, 1935 |
| Alloperla elevata (Frison, 1935) | ⇒ Alloperla severa Hagen, 1861 |
| Alloperla erectospina Wu, 1938 | |
| Alloperla fidelis (Banks, 1920) | ⇒ Sweltsa fidelis Banks, 1920 |
| Alloperla forcipata Neave, 1929 | |
| Alloperla fraterna Frison, 1935 | Cascades Sallfly |
| Alloperla furcula Surdick, 1981 | Blackwater Sallfly |
| Alloperla hamata Surdick, 1981 | Barbed Sallfly |
| Alloperla idei Ricker, 1935 | Vernal Sallfly |
| Alloperla imbecilla Say, 1823 | Little green stonefly |
| Alloperla imbecillai | Ohio Sallfly |
| Alloperla lateralis (Banks, 1911) | ⇒ Sweltsa lateralis Banks, 1911 |
| Alloperla lenati Kondratieff ..., 2004 | Sandhill Sallfly |
| Alloperla leonarda Ricker, 1952 | Haresfoot locoweed |
| Alloperla mediana (Banks, 1911) | ⇒ Sweltsa mediana Banks, 1911 |
| Alloperla medveda Ricker, 1952 | Beartooth Sallfly |
| Alloperla nanina Banks, 1911 | Swannanoa Sallfly |
| Alloperla natchez Surdick & Stark, 1980 | Natchez Sallfly |
| Alloperla neglecta Frison, 1935 | Convoluted barbula moss |
| Alloperla ouachita Stark & Stewart, 1983 | Ouachita Sallfly |
| Alloperla pallidula (Banks, 1904) | ⇒ Suwallia pallidula Banks, 1904 |
| Alloperla petasata Surdick, 2004 | Woodland sallfly |
| Alloperla pilosa Needham & Cl..., 1925 | Hairy Sallfly |
| Alloperla pintada (Ricker, 1952) | ⇒ Triznaka pintada Ricker, 1952 |
| Alloperla prognoides Surdick, 2004 | Swallow Sallfly |
| Alloperla roberti ♰ Surdick, 1981 | Illinois Sallfly |
| Alloperla serrata Needham & Cl..., 1925 | Sawtooth Sallfly |
| Alloperla severa Hagen, 1861 | Western Sallfly |
| Alloperla stipitata Surdick, 2004 | Blue Ridge Sallfly |
| Alloperla tamalpa (Ricker, 1952) | ⇒ Sweltsa tamalpa Ricker, 1952 |
| Alloperla thalia (Ricker, 1952) | ⇒ Alloperla severa Hagen, 1861 |
| Alloperla townesi (Ricker, 1952) | ⇒ Sweltsa townesi Ricker, 1952 |
| Alloperla townsi | |
| Alloperla urticae (Ricker, 1952) | ⇒ Sweltsa urticae Ricker, 1952 |
| Alloperla usa Ricker, 1952 | Appalachian Sallfly |
| Alloperla voinae Ricker, 1947 | Kokrines locoweed |
| Alloperla vostoki Ricker, 1947 | Kokrines locoweed |
| Bisancora pastina Jewett, 1962 | Antelope Sallfly |
| Bisancora rutriformis Surdick, 1981 | Scooped Sallfly |
| Chloroperla brevis (Banks, 1895) | ⇒ Siphonoperla torrentium torrentium torrentium P..., 1841 |
| Chloroperla coloradensis (Banks, 1898) | ⇒ Sweltsa coloradensis Banks, 1898 |
| Chloroperla cydippe Newman, 1839 | |
| Chloroperla orpha (Frison, 1937) | ⇒ Haploperla orpha Frison, 1937 |
| Chloroperla ovibovis (Ricker, 1965) | ⇒ Alaskaperla ovibovis Ricker, 1965 |
| Chloroperla pallidula (Banks, 1904) | ⇒ Suwallia pallidula Banks, 1904 |
| Gaufinia cristata Surdick, 1995 | Crested Sallfly |
| Gaufinia gaufini Baumann, 1973 | Utah Sallfly |
| Gaufinia hondo Baumann & Ja..., 1984 | Taos Sallfly |
| Gaufinia jarbidge Stark & Baumann, 2021 | |
| Gaufinia kaibabensis Stark & Baumann, 2021 | |
| Gaufinia shivwitsa Stark & Baumann, 2021 | |
| Gaufinia shoshone Stark & Baumann, 2021 | |
| Gaufinia wallowa Stark & Baumann, 2021 | |
| Gaufinia wasatchensis Stark & Baumann, 2021 | |
| Haploperla brevis Banks, 1895 | Least Sallfly |
| Haploperla chilnualna Ricker, 1952 | Yosemite Sallfly |
| Haploperla chukcho Surdick & Stark, 1980 | Loess Sallfly |
| Haploperla fleeki Kondratieff,..., 2005 | Piedmont Sallfly |
| Haploperla orpha Frison, 1937 | Quadrate sallfly |
| Haploperla parkeri Kirchner & K..., 2005 | Fog Sallfly |
| Kathroperla perdita Banks, 1920 | Longhead Sallfly |
| Kathroperla siskiyou Stark & Kond..., 2015 | Wagner Gap Sallfly |
| Kathroperla takhoma Stark & Surdick, 1987 | Slenderhead Sallfly |
| Neaviperla forcipata (Neave, 1929) | ⇒ Suwallia forcipata Neave, 1929 |
| Paraperla frontalis Banks, 1902 | Hyporheic Sallfly |
| Paraperla wilsoni Ricker, 1965 | Chilliwack Sallfly |
| Plumiperla diversa Frison, 1935 | Margined Sallfly |
| Plumiperla spinosa Surdick, 1981 | Spiny Sallfly |
| Plumiperla terna | Vermont Sallfly |
| Rasvena terna Frison, 1942 | Vermont sallfly |
| Sasquaperla hoopa Stark & Baumann, 2001 | Bigfoot Sallfly |
| Siphonoperla burmeisteri Pictet, 1841 | |
| Suwallia amoenacolens Alexander & ..., 1999 | Tulare Sallfly |
| Suwallia amoenacoleus Alexander an..., 1999 | |
| Suwallia autuma Hoppe, 1938 | |
| Suwallia autumna Hoppe, 1938 | Autumn Sallfly |
| Suwallia dubia Frison, 1935 | Pale Sallfly |
| Suwallia forcipata Neave, 1929 | Forceps Sallfly |
| Suwallia lineosa Banks, 1918 | Lined Sallfly |
| Suwallia marginata Banks, 1897 | York Sallfly |
| Suwallia pallidula Banks, 1904 | Yellow Sallfly |
| Suwallia salish Alexander & ..., 1999 | Salish Sallfly |
| Suwallia shepardi Alexander & ..., 1999 | Curious Sallfly |
| Suwallia sierra Baumann & Bo..., 1997 | Sierra Sallfly |
| Suwallia starki Alexander & ..., 1999 | Gallatin Sallfly |
| Suwallia sublimis Alexander & ..., 1999 | Mono Sallfly |
| Suwallia wardi Kondratieff ..., 1991 | Larimide Sallfly |
| Sweltsa adamantea Surdick, 1995 | Washington Sallfly |
| Sweltsa albertensis Needham & Cl..., 1925 | Alberta Sallfly |
| Sweltsa borealis Banks, 1895 | Boreal Sallfly |
| Sweltsa californica Jewett, 1965 | Chico Sallfly |
| Sweltsa coloradensis Banks, 1898 | Colorado Sallfly |
| Sweltsa continua Banks, 1911 | Gabriel Sallfly |
| Sweltsa cristata Surdick, 1995 | Crested Sallfly |
| Sweltsa durfeei Kondratieff ..., 2009 | Lolo Sallfly |
| Sweltsa exquisita Frison, 1935 | Exquisite Sallfly |
| Sweltsa fidelis Banks, 1920 | Mountain Sallfly |
| Sweltsa gaufini Baumann, 1973 | Utah Sallfly |
| Sweltsa hoffmani Kondratieff ..., 2009 | Plateau Sallfly |
| Sweltsa holstonensis Kondratieff ..., 1998 | Holston Sallfly |
| Sweltsa hondo Baumann & Ja..., 1984 | Taos Sallfly |
| Sweltsa lamba Needham & Cl..., 1925 | Rheocrene Sallfly |
| Sweltsa lateralis Banks, 1911 | Curved Sallfly |
| Sweltsa longistyla Wu, 1938 | |
| Sweltsa lyrata Stark & Baumann, 2018 | |
| Sweltsa mediana Banks, 1911 | Carolina Sallfly |
| Sweltsa mogollonica Stark & Baumann, 2018 | |
| Sweltsa naica Provancher, 1876 | Northeastern Sallfly |
| Sweltsa occidens Frison, 1937 | Alpine Sallfly |
| Sweltsa onkos Ricker, 1935 | Ontario Sallfly |
| Sweltsa oregonensis Frison, 1935 | Oregon Sallfly |
| Sweltsa pacifica Banks, 1895 | Pacific Sallfly |
| Sweltsa palearata Surdick, 2004 | Shenandoah Sallfly |
| Sweltsa pisteri Bottorff & B..., 1997 | Coastal Sallfly |
| Sweltsa pocahontas Kirchner & K..., 1988 | Pocahontas Sallfly |
| Sweltsa resima Surdick, 1995 | California Sallfly |
| Sweltsa revelstoka Jewett, 1955 | Canadian Sallfly |
| Sweltsa salix Lee & Baumann, 2010 | Willow Sallfly |
| Sweltsa tamalpa Ricker, 1952 | Tamalpais Sallfly |
| Sweltsa townesi Ricker, 1952 | Dardanelle Sallfly |
| Sweltsa umbonata Surdick, 1995 | Shasta Sallfly |
| Sweltsa urticae Ricker, 1952 | Nettle Sallfly |
| Sweltsa voshelli Kondratieff ..., 1991 | Virginia Sallfly |
| Sweltsa yurok Stark & Baumann, 2007 | Yurok Sallfly |
| Triznaka diversa (Frison, 1935) | ⇒ Plumiperla diversa Frison, 1935 |
| Triznaka ovibovis (Ricker, 1965) | ⇒ Alaskaperla ovibovis Ricker, 1965 |
| Triznaka pintada Ricker, 1952 | Rough Sallfly |
| Triznaka sheldoni Baumann & Ko..., 2008 | Great Basin Sallfly |
| Triznaka signata Banks, 1895 | Striped Sallfly |
| Triznaka spinosa (Surdick, 1981) | ⇒ Plumiperla spinosa Surdick, 1981 |
| Triznaka wallowa Kondratieff ..., 2012 | Wallowa Sallfly |
| Utaperla gaspesiana Harper & Roy, 1975 | Bejuco de santiago |
| Utaperla sopladora Ricker, 1952 | Black Sallfly |
| Xanthoperla apicalis Newman, 1836 | |
