IRMNG Taxon list
Dicellomus polita (Hall) †
Fordinia bellula (Walcott) †
Leptobolus truncata Chapman, 1917 †
Lingulella ampla (Owen) †
Lingulella australis Chapman, 1917 †
Lingulella bella Walcott †
Lingulella complexus †
Lingulella davisii (Salter) †
Lingulella exilis Endo & Resser †
Lingulella lepis †
Lingulella nicholsoni †
Lingulella nisons (Barrande) †
Lingulepis antiqua Hall †
Lingulepis pinniformis Owen, 1852 †
Obolus acuminatus Mickwitz, 1896 † accepted as Schmidtites acuminatus (Mickwitz, 1896) †
Obolus apollinis Eichwald, 1829 †
Obolus crassus Mickwitz, 1896 † accepted as Schmidtites crassus (Mickwitz, 1896) †
Obolus obovata (Chapman, 1904) †
Obolus rebrovi Khazanovitch & Popov, 1984 † accepted as Obolus apollinis Eichwald, 1829 †
Obolus ruchini Khazanovitch & Popov, 1984 † accepted as Obolus apollinis Eichwald, 1829 †
Obolus transversus Pander, 1830 † accepted as Obolus apollinis Eichwald, 1829 †
Obulus matinalis †
Schmidtia celata Volborth, 1869 † accepted as Schmidtites celata (Volborth, 1869) †
Schmidtites acuminatus (Mickwitz, 1896) †
Schmidtites celata (Volborth, 1869) †
Schmidtites celatus Schuchert & Levene, 1929 †
Schmidtites crassus (Mickwitz, 1896) †
Ungula convexa Pander, 1830 † accepted as Obolus apollinis Eichwald, 1829 †
Westonia ella (Hall & Whitfield) †
Westonia lamellosus (Barrande) †