| Acroneuria abnormis Newman, 1838 | Common Stone |
| Acroneuria arenosa Pictet, 1841 | Eastern Stone |
| Acroneuria arida Hagen, 1861 | Elegant Stone |
| Acroneuria carolinensis Banks, 1905 | Carolina Stone |
| Acroneuria frisoni Stark & Brown, 1991 | Central Stone |
| Acroneuria internata Walker, 1852 | Lobed Stone |
| Acroneuria lycorias Newman, 1839 | Boreal Stone |
| Agnetina capitata Pictet, 1841 | Eastern stonefly |
| Agnetina flavescens Walsh, 1862 | Midwestern Stone |
| Allocapnia granulata Claassen, 1924 | Common Snowfly |
| Allocapnia illinoensis Frison, 1935 | Illinois Snowfly |
| Allocapnia maria Hanson, 1942 | Two-knobbed Snowfly |
| Allocapnia minima Barnston, 1848 | Boreal Snowfly |
| Allocapnia mystica Frison, 1929 | Moraine Snowfly |
| Allocapnia nivicola Fitch, 1847 | Brook Snowfly |
| Allocapnia pechumani Ross & Ricker, 1964 | St. Lawrence Snowfly |
| Allocapnia pygmaea Burmeister, 1839 | Pygmy Snowfly |
| Allocapnia recta Claassen, 1924 | Eastern Snowfly |
| Allocapnia rickeri Frison, 1929 | Midwest Snowfly |
| Allocapnia vivipara Claassen, 1924 | Shortwing Snowfly |
| Allocapnia zola Ricker, 1952 | Ash Snowfly |
| Alloperla acadiana Harper, 1984 | Brunswick Sallfly |
| Alloperla atlantica Baumann, 1974 | Atlantic Sallfly |
| Alloperla banksi Frison, 1942 | Tufted sallfly |
| Alloperla caudata Frison, 1934 | Ozark Sallfly |
| Alloperla chloris Frison, 1934 | Triangular Sallfly |
| Alloperla concolor (Ricker, 1935) | ⇒ Alloperla neglecta Frison, 1935 |
| Alloperla idei Ricker, 1935 | Vernal Sallfly |
| Alloperla leonarda Ricker, 1952 | Haresfoot locoweed |
| Alloperla neglecta Frison, 1935 | Convoluted barbula moss |
| Alloperla petasata Surdick, 2004 | Woodland sallfly |
| Alloperla severa Hagen, 1861 | Western Sallfly |
| Alloperla voinae Ricker, 1947 | Kokrines locoweed |
| Alloperla vostoki Ricker, 1947 | Kokrines locoweed |
| Amphinemoura delosa | |
| Amphinemoura linda | |
| Amphinemura delosa Ricker, 1952 | Eastern Forestfly |
| Amphinemura nigritta Provancher, 1876 | Little Black Forestfly |
| Amphinemura palmeni Koponen, 1917 | Lovely Forestfly |
| Amphinemura wui Claassen, 1936 | Spiked Forestfly |
| Arsapnia pileata Jewett, 1966 | Birdhead Snowfly |
| Attaneuria ruralis Hagen, 1861 | Giant Stone |
| Bolotoperla rossi Frison, 1942 | Smoky Willowfly |
| Capnia confusa Claassen, 1936 | Widespread Snowfly |
| Capnia excavata Claassen, 1924 | Saddleback Snowfly |
| Capnia gracilaria Claassen, 1924 | Slender Snowfly |
| Capnia lineata Hanson, 1943 | Straight Snowfly |
| Capnia nana Claassen, 1924 | Dwarf Snowfly |
| Capnia nearctica Banks, 1918 | Nearctic Snowfly |
| Capnia promota Frison, 1937 | Pacific Snowfly |
| Capnia valhalla Nelson & Bau..., 1987 | Viking Snowfly |
| Capnia vernalis Newport, 1848 | Belly Snowfly |
| Capnura manitoba Claassen, 1924 | Manitoba snowfly |
| Cascadoperla trictura Hoppe, 1938 | Cascades Stripetail |
| Claassenia sabulosa Banks, 1900 | Shortwing Stone |
| Clioperla clio Newman, 1839 | Clio Stripetail |
| Cultus aestivalis Needham & Cl..., 1925 | Large aegialian scarab |
| Cultus decisus Walker, 1852 | |
| Cultus decisus decisus Walker, 1852 | Great Lakes Springfly |
| Cultus pilatus Frison, 1942 | Vedder Springfly |
| Cultus verticalis Banks, 1920 | Spiny Springfly |
| Despaxia augusta Banks, 1907 | Autumn Needlefly |
| Diura nanseni Kempny, 1900 | Arctic Springfly |
| Haploperla brevis Banks, 1895 | Least Sallfly |
| Haploperla orpha Frison, 1937 | Quadrate sallfly |
| Helopicus subvarians Banks, 1920 | Vernal Springfly |
| Hesperoperla pacifica Banks, 1900 | Golden Stone |
| Isocapnia grandis Banks, 1907 | Giant Snowfly |
| Isogenoides doratus Frison, 1942 | Indiana Springfly |
| Isogenoides frontalis Newman, 1838 | Hudsonian springfly |
| Isogenoides hansoni Ricker, 1952 | Appalachian Springfly |
| Isogenoides olivaceus Walker, 1852 | Olive springfly |
| Isoperla bilineata Say, 1823 | Two-lined Stripetail |
| Isoperla citronella Newport, 1851 | Obscure Stripetail |
| Isoperla cotta Ricker, 1952 | Haresfoot locoweed |
| Isoperla decepta Frison, 1935 | Convoluted barbula moss |
| Isoperla decolorata Walker, 1852 | Bear Lake Stripetail |
| Isoperla dicala Frison, 1942 | Sable Stripetail |
| Isoperla francesca Harper, 1971 | Northeaster Stripetail |
| Isoperla frisoni Illies, 1966 | Red sand verbena |
| Isoperla fulva Claassen, 1937 | Western Stripetail |
| Isoperla gibbsae Harper, 1971 | Pipevine |
| Isoperla holochlora Klapálek, 1923 | Pale Stripetail |
| Isoperla lata Frison, 1942 | Dark Stripetail |
| Isoperla longiseta Banks, 1906 | Plains Stripetail |
| Isoperla marlynia Needham & Cl..., 1925 | Midwestern Stripetail |
| Isoperla montana Banks, 1898 | Montane Stripetail |
| Isoperla nana Walsh, 1862 | Least Stripetail |
| Isoperla orata Frison, 1942 | Colorless Stripetail |
| Isoperla petersoni Needham & Ch..., 1927 | Crosswort |
| Isoperla richardsoni Frison, 1935 | Convoluted barbula moss |
| Isoperla signata Banks, 1902 | Light brown stonefly |
| Isoperla similis Hagen, 1861 | Black Stripetail |
| Isoperla slossonae Banks, 1911 | Colorful Stripetail |
| Isoperla transmarina Newman, 1838 | Boreal Stripetail |
| Kathroperla perdita Banks, 1920 | Longhead Sallfly |
| Leuctra baddecka Ricker, 1965 | Maritime Needlefly |
| Leuctra biloba Claassen, 1923 | Two-lobed Needlefly |
| Leuctra duplicata Claassen, 1923 | Atlantic Needlefly |
| Leuctra ferruginea Walker, 1852 | Eastern Needlefly |
| Leuctra grandis Banks, 1906 | Grand Needlefly |
| Leuctra maria Hanson, 1941 | Lizard's tail |
| Leuctra sibleyi Claassen, 1923 | Brook Needlefly |
| Leuctra tenella Provancher, 1878 | Broad-lobed Needlefly |
| Leuctra tenuis (Pictet, 1841) | ⇒ Leuctra tenella Provancher, 1878 |
| Leuctra triloba Claassen, 1923 | Three-lobed Needlefly |
| Leuctra truncata Claassen, 1923 | Truncate Needlefly |
| Malenka californica Claassen, 1923 | California Forestfly |
| Malenka flexura Claassen, 1923 | Twisted Forestfly |
| Malirekus iroquois Stark & Szcz..., 1988 | Iroquois Springfly |
| Megarcys subtruncata Hanson, 1942 | Truncate Springfly |
| Mesocapnia sugluka Ricker, 1965 | Sugluk Snowfly |
| Nemocapnia carolina Banks, 1938 | Southern Snowfly |
| Nemoura arctica Esben-Petersen, 1910 | Arctic Forestfly |
| Nemoura trispinosa Claassen, 1923 | Three-spined forestfly |
| Neoperla mainensis Banks, 1948 | Maine stone |
| Neoperla occipitalis Pictet, 1841 | Atlantic Stone |
| Neoperla tetrapoda Zwick, 1986 | |
| Oemopteryx glacialis Barnston, 1848 | Canadian willowfly |
| Ostrocerca albidipennis Walker, 1852 | Whitetailed Forestfly |
| Ostrocerca complexa Claassen, 1937 | Notched Forestfly |
| Ostrocerca prolongata Claassen, 1923 | Bent Forestfly |
| Ostrocerca truncata Claassen, 1923 | Truncate Forestfly |
| Paracapnia angulata Hanson, 1961 | Angulate Snowfly |
| Paracapnia opis Newman, 1839 | Northeastern snowfly |
| Paragnetina immarginata Say, 1823 | Beautiful Stone |
| Paragnetina media Walker, 1852 | Embossed Stone |
| Paraleuctra occidentalis Banks, 1907 | Western Needlefly |
| Paraleuctra sara Claassen, 1937 | Appalachian Needlefly |
| Paranemoura claasseni Baumann, 1996 | Boreal forestfly |
| Paranemoura perfecta Walker, 1852 | Boreal forestfly |
| Paraperla frontalis Banks, 1902 | Hyporheic Sallfly |
| Peltoperla arcuata Needham, 1905 | Appalachian Roachfly |
| Perlesta decipiens Walsh, 1862 | Widespread Stone |
| Perlesta ephelida Grubbs & DeWalt, 2012 | Freckled Stone |
| Perlesta lagoi Stark, 1989 | Gulf Stone |
| Perlesta nelsoni Stark, 1989 | Pale stone |
| Perlesta placida Hagen, 1861 | Freckled Stone |
| Perlesta xube Stark & Rhodes, 1997 | Pawnee Stone |
| Perlinella drymo Newman, 1839 | Striped Stone |
| Perlinella ephyre Newman, 1839 | Vernal Stone |
| Perlomyia utahensis Needham & Cl..., 1925 | Swamp loosestrife |
| Phasganophora capitata (Pictet, F.J., 1841) | ⇒ Agnetina capitata Pictet, 1841 |
| Podmosta delicatula Claassen, 1923 | Delicate Forestfly |
| Podmosta macdunnoughi Ricker, 1947 | Maritime forestfly |
| Prostoia besametsa Ricker, 1952 | Banded Forestfly |
| Prostoia completa Walker, 1852 | Central Forestfly |
| Prostoia similis Hagen, 1861 | Longhorn Forestfly |
| Pteronarcella badia Hagen, 1874 | Least Salmonfly |
| Pteronarcys biloba Newman, 1838 | Knobbed Salmonfly |
| Pteronarcys californica Newport, 1848 | Giant Salmonfly |
| Pteronarcys comstocki Smith, 1917 | Spiny Salmonfly |
| Pteronarcys dorsata Say, 1823 | American Salmonfly |
| Pteronarcys pictetii Hagen, 1873 | Cycads |
| Pteronarcys proteus Newman, 1838 | Appalachian Salmonfly |
| Shipsa rotunda Claassen, 1923 | Intrepid forestfly |
| Soyedina vallicularia C.F.Wu, 1923 | Valley Forestfly |
| Soyedina washingtoni Claassen, 1923 | Vernal Forestfly |
| Strophopteryx fasciata Burmeister, 1839 | Little red stonefly |
| Suwallia marginata Banks, 1897 | York Sallfly |
| Suwallia pallidula Banks, 1904 | Yellow Sallfly |
| Sweltsa continua Banks, 1911 | Gabriel Sallfly |
| Sweltsa lateralis Banks, 1911 | Curved Sallfly |
| Sweltsa naica Provancher, 1876 | Northeastern Sallfly |
| Sweltsa onkos Ricker, 1935 | Ontario Sallfly |
| Sweltsa oregonensis Frison, 1935 | Oregon Sallfly |
| Taenionema atlanticum Ricker & Ross, 1975 | Atlantic Willowfly |
| Taenionema grinnelli Banks, 1918 | Angeles Willowfly |
| Taenionema oregonense Needham & Cl..., 1925 | Oregon Willowfly |
| Taenionema pacificum Banks, 1900 | Pacific Willowfly |
| Taeniopteryx burksi Ricker & Ross, 1968 | Eastern Willowfly |
| Taeniopteryx maura Pictet, 1841 | Spinyleg Willowfly |
| Taeniopteryx metequi Ricker & Ross, 1968 | Shortwing Willowfly |
| Taeniopteryx nivalis Fitch, 1847 | Boreal Willowfly |
| Taeniopteryx parvula Banks, 1918 | Hooked Willowfly |
| Triznaka signata Banks, 1895 | Striped Sallfly |
| Utacapnia columbiana Claassen, 1924 | Columbian Snowfly |
| Utacapnia labradora Ricker, 1954 | Labrador Snowfly |
| Utaperla gaspesiana Harper & Roy, 1975 | Bejuco de santiago |
| Zapada cinctipes Banks, 1897 | Common Forestfly |
| Zapada columbiana Claassen, 1923 | Columbian Forestfly |
| Zapada haysi Ricker, 1952 | Intermountain Forestfly |
| Zapada katahdin Baumann & Mingo, 1987 | Kathadin Forestfly |
| Zapada oregonensis Claassen, 1923 | Oregon Forestfly |
