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