(23,7 - 36,6 Mya)

• [- Asilus angustifrons Loew, 1850]
  Locality & Horizon & Taphonomy: Palaearctic: Germany; Oligocene; Amber
  Remarks: preocc. Loew, 1849; Meunier (1899) makes no mention of that taxon
  Source: Evenhuis (1994)
  State: nomen nudum
• [Permessus asiloides Rudel, 1940]
  Locality & Horizon & Taphonomy: Palaearctic: France, Puy-de-Mur, Auvergne; Oligocene, C
  Remarks: genus without description
  Source: Evenhuis (1994)
  State: nomen nudum
• Asilus amelanchieris Cockerell, 1911
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Asilus curculionis Melander, 1947
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Asilus florissantinus James, 1939
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Asilus peritulus Cockerell, 1909
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Hull (1962)
• Asilus sannoisiensis Meunier, 1915
  Locality & Horizon & Taphonomy: Palaearctic: France, Aix en Provence; Oligocene, C
  Source: Evenhuis (1994)
• [Asilus species Serres, 1829]
  Locality & Horizon & Taphonomy: Palaearctic: France, Aix en Provence; Oligocene, C
  Source: Hull (1962)
• [Asilus species Heyden, 1870]
  Locality & Horizon & Taphonomy: Palaearctic: Germany, Lignite beds of Rott, Siebengebirge; Oligocene, C
  Source: Hull (1962)
• Asilus wickhami Cockerell, 1915
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Blepharepium borealis (James, 1939)
  Synonyms: Senobasis, Paleomolobra
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Papavero & Bernardi (1973)
• Ceraturgus praecursor (James, 1939)
  Synonyms: Ceraturgopsis
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Cophura antiquella Cockerell, 1913
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Dioctria florissantina (Cockerell, 1909)
  Synonyms: Leptis
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Dioctria jamesi Lewis, 1972
  Locality & Horizon & Taphonomy: Nearctic: USA, Ruby River Basin, Montana; Oligocene, C
  Source: Evenhuis (1994)
• Dioctria pulveris Cockerell, 1917
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Holopogon archilestris Hull, 1960
  Locality & Horizon & Taphonomy: Nearctic: USA, Ruby Basin, Montana; Oligocene, C
  Source: Evenhuis (1994)
• Leptogaster falloti Théobald, 1937
  Locality & Horizon & Taphonomy: Palaearctic: France, Camoins; Oligocene, C
  Source: Evenhuis (1994)
• Leptogaster prior Melander, 1947
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Lestomyia miocenica James, 1939
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Machimus kollmani Timon-David, 1944
  Locality & Horizon & Taphonomy: Palaearctic: France, Basin of Marseille; Oligocene, C
  Source: Evenhuis (1994)
• Microstylum destructum Cockerell, 1909
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Microstylum wheeleri Cockerell, 1908
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Nicocles miocenicus Cockerell, 1909
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Palaeomolobra antiqua (James, 1939)
  Synonyms: Senoprosopsis, Senobasis
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Philonicus saxorum James, 1939
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Protoloewinella keilbachi Schumann, 1984
  Locality & Horizon & Taphonomy: Palaearctic: Germany; Oligocene; Amber
  Source: Evenhuis (1994) & Geller-Grimm
  
• Saropogon oblitescens Cockerell, 1914
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Senoprosopis beckeri Lewis, 1972
  Synonyms: subgen. Eosenoprosopis
  Locality & Horizon & Taphonomy: Nearctic: USA, Ruby River Basin, Montana; Oligocene, C
  Source: Evenhuis (1994)
• Senoprosopis eureka Melander, 1949
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Senoprosopis romeri Hull, 1958
  Synonyms: subgen. Eosenoprosopis
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Stenocinclis anomala Scudder, 1878
  Locality & Horizon & Taphonomy: Nearctic: USA, Green River shales; Oligocene, C
  Source: Evenhuis (1994)
• Taracticus contusus Cockerell, 1910
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Taracticus renovatus Cockerell, 1911
  Locality & Horizon & Taphonomy: Nearctic: USA, Florissant shales, Colorado; Oligocene, C
  Source: Evenhuis (1994)
• Tipulogaster glabrata (Wiedemann, 1828)
  Synonyms: Leptogaster, Leptogaster badia Loew, 1862, Leptogaster testaceus Loew, 1862
  Locality & Horizon & Taphonomy: Nearctic: USA; Oligocene, C
  Source: Evenhuis (1994)