Hildoceratidae
Grammoceras ovatum (Bird, P R & Young)
Grammoceras radians Reinecke
Grammoceras regale (Buchman, 1904)
Grammoceras serpentinum (Sclotheim, 1820)
Grammoceras striatulum (J de C. Sowerby, 1823)
Grammoceras toarcense (d'Orbigny)