Microlestes Plieninger, 1847 † accepted as Thomasia Poche, 1908 † (extant flag source)
Microlestes Plieninger, 1847 † accepted as Thomasia Poche, 1908 † (verified source for family)
Microlestes Plieninger, 1847 † accepted as Thomasia Poche, 1908 † (source of synonymy)
Onychodontida (awaiting allocation) † (basis of record)
Plieningeria Krausse, 1919 † accepted as Thomasia Poche, 1908 † (extant flag source)
Plieningeria Krausse, 1919 † accepted as Thomasia Poche, 1908 † (source of synonymy)
Zaglossus hacketti (Glauert, 1914) † (extant flag source)
Zaglossus harrisoni Scott & Lord, 1922 † (extant flag source)
Zaglossus owenii (Krefft, 1868) † (extant flag source)
Zaglossus ramsayi Owen, 1884 † accepted as Megalibgwilia ramsayi (Owen, 1884) † (extant flag source)
Zaglossus robusta Dun, 1895 † accepted as Megalibgwilia robusta (Dun, 1895) † (extant flag source)
Zaglossus robustus Dun, 1895 † accepted as Megalibgwilia robusta (Dun, 1895) † (extant flag source)