Rhynchonellata
Amerista Boucot & Blodgett, 1997
Aulidospira Williams, 1962
Camarium Hall, 1859
Camarophorella Hall & Clarke, 1894
Camarospira Hall & Clarke, 1894
Dicamaropsis Amsden, 1968
Liocoelia Schuchert & Cooper, 1931
Meristoidea Kulkov & Boucot, 2007
Rowleyella Weller, 1911
Tyrganiella Kul'kov, 1970
