Paramesochridae Lang, 1944
Emertonia acutata (Klie, 1935)
Emertonia acutifurcata (Mielke, 1985)
Emertonia andeep (Veit-Kohler, 2004)
Emertonia atlantica (Kunz, 1981)
Emertonia brevicaudatua (Kornev & Chertoprud, 2008)
Emertonia californica (Kunz, 1981)
Emertonia capensis Krishnaswamy, 1957
Emertonia chilensis (Mielke, 1985)
Emertonia coelebs (Monard, 1935)
Emertonia constricta (Nichols, 1935)
Emertonia debilis (Kunz, 1981)
Emertonia diva (Veit-Kohler, 2005)
Emertonia enalia (Krishnaswamy, 1957)
Emertonia furcavaricata Kunz, 1974
Emertonia gracilis Wilson C.B., 1932
Emertonia holsatica (Klie, 1929)
Emertonia idiotes (Wells, 1967)
Emertonia insularis (Kunz, 1981)
Emertonia longifurcatus (Scheibel, 1975)
Emertonia longisetosa (Krishnaswamy, 1951)
Emertonia masryi (Bodin, 1979)
Emertonia miguelensis (Kunz, 1983)
Emertonia minor (Vasconcelos, Veit-Kohler, Drewes & Parreira dos Santos, 2009)
Emertonia minuta Krishnaswamy, 1957
Emertonia panamensis (Mielke, 1984)
Emertonia paraholsatica (Mielke, 1975)
Emertonia perharidiensis (Wells, 1963)
Emertonia pontica Serban, 1959
Emertonia psammobionta (Noodt, 1964)
Emertonia psammophila (Noodt, 1964)
Emertonia pseudogracilis Krishnaswamy, 1957
Emertonia pygmaea (Nicholls, 1939)
Emertonia regulexstans (Mielke, 1984)
Emertonia schminkei (Veit-Kohler & Drewes, 2009)
Emertonia similis (Mielke, 1984)
Emertonia spiniger (Wells, Kunz & Rao, 1975)
Emertonia unguiseta (Mielke, 1984)
Kliopsyllus abyssalis Becker, Noodt & Schriever, 1979
Kliopsyllus gigas (Wells, 1965)