IRMNG Taxon list
Alabamina achanes Loeblich & Tappan, 1994
Alabamina decorata
Alabamina resigae Chave, 1987
Craterularia truncatulinoides Rhumbler, 1949
Oridorsalis marcus Saidova, 1975
Oridorsalis sidebottomi (Earland, 1934)
Oridorsalis tener (Brady, 1884)
Oridorsalis tenerus (Brady, 1884)
Oridorsalis umbonata (Reuss, 1851)
Oridorsalis umbonatus (Reuss, 1851)
Oridorsalis westi Andersen, 1961
Osangularia bengalensis (Schwager, 1866)
Osangularia culter (Parker & Jones, 1865)
Osangularia cultur
Osangularia rugosa (Phleger & Parker, 1951) accepted as Nuttallides rugosus (Phleger & Parker, 1951)
Osangularia umbonifera (Cushman, 1933) accepted as Osangulariella umbonifera (Cushman, 1933)
Osangulariella bradyi (Earland, 1934)
Osangulariella umbonifera (Cushman, 1933)
Svratkina acuta (Sidebottom, 1956)
Svratkina australiensis (Chapman, Parr & Collins, 1934)
Svratkina bubnanensis McCulloch, 1977 accepted as Svratkina australiensis (Chapman, Parr & Collins, 1934)
Svratkina carinata Hofker, 1978
Svratkina tuberculata (Balkwill & Wright, 1885)