Flatidae Spinola, 1839
Flatormenis albescens (Fowler, 1900)
Flatormenis albipennis (Van Duzee, 1907)
Flatormenis dolabrata (Fowler, 1900)
Flatormenis duplicata Caldwell & Martorell, 1951
Flatormenis fumata (Schmidt, 1904)
Flatormenis fusca (Melichar, 1902)
Flatormenis glaucescens (Walker, 1858)
Flatormenis gliseoalba (Fowler, 1900)
Flatormenis griseoalba (Fowler, 1900)
Flatormenis inferior (Fowler, 1900)
Flatormenis nefuscata (Caldwell & Martorell, 1923)
Flatormenis panamensis (Schmidt, 1904)
Flatormenis pseudomarginata (Muir, 1924)
Flatormenis squamulosa (Fowler, 1900)
Flatormenis stylata Caldwell & Martorell, 1951
Flatormenis tarnabensis Ahmed & Rao, 1986