Rhynchonellata
Apollonorthis Mitchell, 1974
Atlantida Havlicek, 1971
Corineorthis Stubblefield, 1939
Cyclocoelia Foerste, 1909
Desmorthis Ulrich & Cooper, 1936
Doleroides Cooper, 1930
Evenkinorthis Yadrenkina, 1977
Gnamptorhynchos Jin, 1989
Hebertella Hall & Clarke, 1892
Irhirea Havlicek, 1971
Lipanorthis Benedetto, 2002
Mcewanella Foerste, 1920
Mimella Cooper, 1930
Nanorthis Ulrich & Cooper, 1936
Oligorthis Ulrich & Cooper, 1936
Paterorthis Havlicek, 1971
Platystrophia King, 1850
Plectorthis Hall & Clarke, 1892
Pseudomimella Xu & Liu, 1984
Schizophorella Reed, 1917
Severginella Rozman, 1981
Terebratulites Schlotheim, 1813
Weberorthis Popov & Cocks, 2006