Baetoidea

Baetoidea is a superfamily of mayflies, which probably includes the most primitive living species.

== Families == Five families are currently recognised by the Catalogue Of Life: Ameletidae McCafferty, 1991 – 62 species Ameletus Eaton, 1885 – 59 species Metreletus Demoulin, 1951 – 3 species Ametropodidae Bengtsson, 1913 – 3 species Ametropus Albarda, 1878 – 3 species Baetidae Leach, 1815 – 1,325 species Acanthiops Waltz & McCafferty, 1987 – 15 species Acentrella Bengtsson, 1912 – 27 species Acerobiella Gattolliat, 2012 – 1 species Acerpenna Waltz & McCafferty, 1987 – 3 species Acetrella – 1 species Adebrotus Lugo-Ortiz & McCafferty, 1995 – 2 species Adnoptilum Gattolliat & Monaghan, 2010 – 2 species Afrobaetodes Demoulin, 1970 – 2 species Afroptilum Gillies, 1990 – 10 species Alainites Waltz & McCafferty, 1984 – 24 species Americabaetis Kluge, 1992 – 22 species Anafroptilum Kluge, 2011 – 4 species Andesiops Lugo-Ortiz & McCafferty, 1999 – 4 species Apobaetis Day, 1955 – 23 species Arcobaetis Kaltenbach, Klug & Gattolliat, 2023 – 5 species Asiobaetodes Gattolliat, 2012 – 1 species Aturbina Lugo-Ortiz & McCafferty, 1996 – 4 species Baetiella Ueno, 1931 – 18 species Baetis Leach, 1815 – 188 species Baetodes Needham & Murphy, 1924 – 50 species Baetopus Keffermüller, 1960 – 4 species Barbaetis Waltz & McCafferty, 1985 – 1 species Barnumus McCafferty & Lugo-Ortiz, 1998 – 1 species Branchiobaetis Kaltenbach, Kluge & Gattolliat, 2022 – 7 species Bugilliesia Lugo-Ortiz & McCafferty, 1997 – 10 species Bungona Harker, 1957 – 7 species Callibaetis Eaton, 1881 – 41 species Camelobaetidius Demoulin, 1966 – 46 species Centroptella Braasch & Soldán, 1980 – 6 species Centroptiloides Lestage, 1919 – 2 species Centroptilum Eaton, 1869 – 32 species Chane Nieto, 2003 – 1 species Cheleocloeon Wuillot & Gillies, 1994 – 13 species Chopralla Waltz & McCafferty, 1987 – 6 species Cloeodes Traver, 1938 – 56 species Cloeon Leach, 1815 – 82 species Corinnella Thomas & Dominique, 2006 – 3 species Crassabwa Lugo-Ortiz & McCafferty, 1996 – 6 species Cryptonympha Lugo-Ortiz & McCafferty, 1998 – 4 species Cymbalcloeon Suttinun, Gattolliat & Boonsoong, 2020 – 1 species Dabulamanzia Lugo-Ortiz & McCafferty, 1996 – 11 species Deceptiviosa Lugo-Ortiz & McCafferty, 1999 – 0 species Delouardus Lugo-Ortiz & McCafferty, 1999 – 1 species Demoreptus Lugo-Ortiz & McCafferty, 1997 – 3 species Demoulinia Gillies, 1990 – 3 species Dicentroptilum Wuillot & Gilli, 1994 – 6 species Diphetor Waltz & McCafferty, 1987 – 1 species Echinobaetis Mol, 1989 – 1 species Edmulmeatus Lugo-Ortiz & McCafferty, 1997 – 1 species Edmundsiops Lugo-Ortiz & McCafferty, 1999 – 2 species Fallceon Waltz & McCafferty, 1987 – 19 species Glossidion Lugo-Ortiz & McCafferty, 1998 – 2 species Gratia Thomas, 1992 – 3 species Guajirolus Flowers, 1985 – 5 species Guloptiloides Gattolliat & Sartori, 2000 – 1 species Harpagobaetis Mol, 1986 – 2 species Herbrossus McCafferty & Lugo-Ortiz, 1998 – 3 species Heterocloeon McDunnough, 1925 – 9 species Indobaetis Müller-Liebenau & Morihara, 1982 – 4 species Indocloeon Müller-Liebenau, 1982 – 6 species Jubabaetis Müller-Liebenau, 1980 – 1 species Kirmaushenkreena McCafferty, 2011 – 1 species Kivuiops Lugo-Ortiz & McCafferty, 2007 – 4 species Labiobaetis Novikova & Kluge, 1987 – 120 species Liebebiella Waltz & McCafferty, 1987 – 10 species Lugoiops McCafferty & Baumgardner, 2003 – 1 species Macuxi Cruz, Salles, Hamada & Falcão, 2020 – 1 species Madaechinopus Gattolliat & Jacobus, 2010 – 2 species Mayobaetis Waltz & McCafferty, 1985 – 1 species Megabranchiella Phlai-ngam & Tungpairojwong, 2022 – 2 species Megalabiops Kaltenbach & Gattolliat, 2021 – 1 species Mesobaetis Brauer, Redtenbacher & Ganglbauer, 1889 – 1 species Micksiops McCafferty, Lugo-Ortiz & Barber-James, 1997 – 1 species Moribaetis Waltz & McCafferty, 1985 – 9 species Mutelocloeon Gillies & Elouard, 1989 – 2 species Mystaxiops McCafferty & Sun, 2005 – 1 species Nanomis Lugo-Ortiz & McCafferty, 1999 – 1 species Nesoptiloides Demoulin, 1973 – 1 species Nigrobaetis Novikova & Kluge, 1987 – 41 species Offadens Lugo-Ortiz & McCafferty, 1998 – 4 species Ophelmatostoma Waltz & McCafferty, 1987 – 1 species Papuanatula Lugo-Ortiz & McCafferty, 1999 – 42 species Paracloeodes Day, 1955 – 24 species Parakari Nieto & Derka, 2011 – 3 species Pedicelliops Kaltenbach & Gattolliat, 2020 – 1 species Petracloeon Sroka & Gattolliat, 2025 – 1 species Peuhlella Lugo-Ortiz & McCafferty, 1998 – 1 species Platybaetis Müller-Liebenau, 1980 – 12 species Plauditus Lugo-Ortiz & McCafferty, 1998 – 10 species Potamocloeon Gillies, 1990 – 1 species Prebaetodes Lugo-Ortiz & McCafferty, 1996 – 2 species Procerobaetis Kaltenbach & Gattolliat, 2020 – 4 species Procloeon Bengtsson, 1915 – 50 species Promatsumura Hubbard, 1988 – 2 species Pseudocentroptiloides Jacob, 1986 – 5 species Pseudocentroptilum Bogoescu – 3 species Pseudocloeon Klapalek, 1905 – 53 species Pseudopannota Waltz & McCafferty, 1987 – 10 species Raptobaetopus Müller-Liebenau, 1978 – 2 species Rheoptilum Gattolliat, 2001 – 2 species Rhithrocloeon Gillies, 1985 – 2 species Rivudiva Lugo-Ortiz & McCafferty, 1998 – 11 species Scutoptilum Gattolliat, 2002 – 1 species Securiops Jacobus, McCafferty & Gattolliat, 2006 – 5 species Skolomystax Suter, Webb & Gattolliat, 2023 – 10 species Spiritiops Lugo-Ortiz & McCafferty, 1998 – 2 species Susua Lugo-Ortiz & McCafferty, 1998 – 1 species Symbiocloeon Müller-Liebenau, 1979 – 2 species Takobia Novikova & Kluge, 1987 – 6 species Tanzaniops McCafferty & Barber-James, 2005 – 3 species Tenuibaetis Kang & Yang, 1994 – 9 species Thraulobaetodes Elouard & Hideux, 1991 – 1 species Tomedontus Lugo-Ortiz & McCafferty, 1995 – 1 species Tupiara Salles, Lugo-Ortiz, Da-Silva & Francischetti, 2003 – 1 species Varipes Lugo-Ortiz & McCafferty, 1998 – 6 species Waltzoyphius McCafferty & Lugo-Ortiz, 1995 – 2 species Waynokiops Hill, Pfeiffer & Jacobus, 2010 – 3 species Xyrodromeus Lugo-Ortiz & McCafferty, 1997 – 6 species Zelusia Lugo-Ortiz & McCafferty, 1998 – 1 species Metretopodidae Traver, 1954 – 21 species Metreplecton Kluge, 1996 – 1 species Metretopus Eaton, 1901 – 4 species Siphloplecton Clemens, 1915 – 16 species Oniscigastridae Lameere, 1917 – 8 species Oniscigaster McLachlan, 1873 – 3 species Siphlonella Needham & Murphy, 1924 – 2 species Tasmanophlebia Tillyard, 1921 – 3 species Siphlonuridae Banks, 1900 – 51 species Edmundsius Day, 1953 – 1 species Parameletus Bengtsson, 1908 – 7 species Siphlonisca Needham, 1909 – 1 species Siphlonurus Eaton, 1868 – 41 species Siphlurella Bengtsson, 1909 – 1 species