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