Rhynchonellata
Homoeospira Hall & Clarke, 1894
Homoeospirella Amsden, 1968
Leptospira Boucot, Johnson & Staton, 1964
Pseudoparazyga Johnson, 1970
Rhynchospirina Schuchert & Le Vene, 1929
Trematospira Hall, 1859
