Euosmylus Krueger, 1913 (original description)
Glenosmylus Krueger, 1913 (original description)
Gryposmylus Krueger, 1913 (original description)
Heterosmylus Krueger, 1913 (original description)
Isostenosmylus Krueger, 1913 (original description)
Kalosmylus Krüger, 1913 accepted as Kempynus Navás, 1912 (original description)
Mesosmylus Krueger, 1913 (original description)
Oedosmylus Krüger, 1913 (original description)
Oligosmylus Krueger, 1913 (original description)
Paryphosmylus Krueger, 1913 (original description)
Plethosmylus Krueger, 1913 (original description)
Protosmylus Krueger, 1913 † (original description)
Thaumatosmylus Krueger, 1913 (original description)