Anaethaliontidae † accepted as Anaethalionidae Gaudant, 1968 † (extant flag source)
Cheirothrix Pictet & Humbert, 1866 † (verified source for family)
Diheterocnus Kraglievich, 1928 † (verified source for family)
Hypocoelus Ameghino, 1891 † accepted as Nothrotherium Lydekker in Nicholson & Lydekker, 1889 † (source of synonymy)
Microcetus Kellogg, 1923 † (name verified source)
Microcetus Kellogg, 1923 † (basis of record)
Pataecops Radinsky, 1966 † (current name source)
Pataecops Radinsky, 1966 † (verified source for family)
Pataecus Radinsky, 1965 † accepted as Pataecops Radinsky, 1966 † (verified source for family)
Pellegrina Gregorio, 1886 † accepted as Pellegrinia de Gregorio, 1886 † (source of synonymy)
Pellegrinia de Gregorio, 1886 † (name verified source)
Pellegrinia de Gregorio, 1886 † (basis of record)
Sinclairia Ameghino, 1912 † (name verified source)
Stenoplesictidae Schlosser, 1923 † (current name source)
Tarijamys Takai, Arozqueta, Mizuno, Yoshida & Kondo, 1984 † (name verified source)
Tarijamys Takai, Arozqueta, Mizuno, Yoshida & Kondo, 1984 † (basis of record)
Zaglossus hacketti (Glauert, 1914) † (basis of record)
Zaglossus owenii (Krefft, 1868) † (basis of record)
Zaglossus ramsayi Owen, 1884 † accepted as Megalibgwilia ramsayi (Owen, 1884) † (basis of record)
Zaglossus robusta Dun, 1895 † accepted as Megalibgwilia robusta (Dun, 1895) † (basis of record)