Aceraspis Kiaer, 1911 † accepted as Ateleaspis Traquair, 1899 † (source of synonymy)
Aceraspis Kiaer, 1911 † accepted as Ateleaspis Traquair, 1899 † (verified source for family)
Aceraspis Kiaer, 1911 † accepted as Ateleaspis Traquair, 1899 † (status source)
Aestiaspis Janvier & Lelièvre, 1994 † (current name source)
Aestiaspis Janvier & Lelièvre, 1994 † (verified source for family)
Ateleaspis Traquair, 1899 † (verified source for family)
Ateleaspis Traquair, 1899 † (current name source)
Dartmuthia Patten, 1931 † (verified source for family)
Dartmuthiidae Robertson, 1935 † accepted as Tremataspididae Woodward, 1891 † (source of synonymy)
Hemicyclaspis Lankester, 1870 † (current name source)
Hemicyclaspis Lankester, 1870 † (verified source for family)
Hemiteleaspis Westoll, 1945 † accepted as Hemicyclaspis Lankester, 1870 † (source of synonymy)
Hemiteleaspis Westoll, 1945 † accepted as Hemicyclaspis Lankester, 1870 † (habitat flag source)
Hemiteleaspis Westoll, 1945 † accepted as Hemicyclaspis Lankester, 1870 † (extant flag source)
Hirella Cossmann, 1920 † (current name source)
Hirella Cossmann, 1920 † (verified source for family)
Kalanaspididae Tinn & Märss, 2018 † (taxonomy source)
Kalanaspididae Tinn & Märss, 2018 † (name verified source)
Kalanaspididae Tinn & Märss, 2018 † (extant flag source)
Kalanaspididae Tinn & Märss, 2018 † (habitat flag source)
Kalanaspididae Tinn & Märss, 2018 † (current name source)
Kalanaspididae Tinn & Märss, 2018 † (basis of record)
Kalanaspididae Tinn & Märss, 2018 † (original description)
Kalanaspis Tinn & Märss, 2018 † (current name source)
Kalanaspis Tinn & Märss, 2018 † (habitat flag source)
Kalanaspis Tinn & Märss, 2018 † (basis of record)
Kalanaspis Tinn & Märss, 2018 † (verified source for family)
Kalanaspis Tinn & Märss, 2018 † (extant flag source)
Kalanaspis Tinn & Märss, 2018 † (name verified source)
Kalanaspis Tinn & Märss, 2018 † (original description)
Micraspis Kiaer, 1911 † accepted as Hirella Cossmann, 1920 † (source of synonymy)
Oeselaspis Robertson, 1935 † (verified source for family)
Saaremaaspis Robertson, 1938 † (verified source for family)
Saaremaaspis Robertson, 1938 † (name verified source)
Saaremaaspis Robertson, 1938 † (current name source)
Saaremaspis Robertson, 1938 † accepted as Saaremaaspis Robertson, 1938 † (source of synonymy)
Timanaspis Obruchev, 1962 † (verified source for family)
Tremataspididae Woodward, 1891 † (current name source)
Tremataspidiformes † (current name source)
Tremataspidiformes † (name verified source)
Tremataspis Schmidt, 1866 † (verified source for family)

 Taxonomic remark

 for Saaremaspis Robertson, 1938 †

This spelling found in Nomenclator Zoologicus plus a few other sources, however Saaremaaspis is apparently correct, ... [details]