Rhynchonellata
Apomatella Schuchert & Cooper, 1931
Atelelasma Cooper, 1956
Clinambon Schuchert & Cooper, 1932
Clitambonites Agassiz, 1846
Fistulogonites Neuman, 1971
Hemipronites Pander, 1830
Ilmarinia Öpik, 1934
Iru Öpik, 1934
Klitambonites Pander, 1830
Lacunarites Öpik, 1934
Neumania Harper, 1981
Orthisina d'Orbigny, 1847
Orthisonia Paetel, 1875
Pahlenella Schuchert & Cooper, 1931
Vellamo Öpik, 1930