Sonninia reformata (FOSSIL) Buckman †
Sonninia renovata (FOSSIL) Buckman †
Sonninia revirescens (FOSSIL) Buckman †
Dorsetensia romani (FOSSIL) (Oppel), 1857 †
Sonninia semispinata (FOSSIL) Buckman †
Sonninia simplex (FOSSIL) Buckman †
Sonninia spinea (FOSSIL) Buckman †
Sonninia spinicostata (FOSSIL) Buckman †
Sonninia spinifera (FOSSIL) Buckman †
Sonninia spinosa (FOSSIL) Buckman †
Pseudoshirbuirnia stephani (FOSSIL) (Buckman, 1910 †)
Sonninia subcostata (FOSSIL) Buckman †
Sonninia subdecorata (FOSSIL) Buckman †
Sonninia subirregularis (FOSSIL) Buckman †
Sonninia submarginata (FOSSIL) Buckman †
Sonninia subsimplex (FOSSIL) Buckman †
Sonninia subspinosa (FOSSIL) Buckman †
Sonninia substriata (FOSSIL) Buckman †
Sonninia sulcata (FOSSIL) (Buckman) †
Asthenoceras taverai (FOSSIL) Sandoval, 2012 †
Dorsetensia tessoniana (FOSSIL) (A.V.M.D. D'Orbigny,1845 †)
Fontannesia tortiva (FOSSIL) Buckman †
Sonninia tridactyla (FOSSIL) Buckman †
Sonninia tuxedniensis (FOSSIL) Imlay, 1964 †
Euhoploceras undifer (FOSSIL) (Buckman, 1923 †)