Gray, 1840
Cardinal process and outer hinge plates commonly developed, inner hinge plates in some genera, or hinge plates absent; dental plates and septalial plates rarely developed except in early forms; adult lophophore trocholophous, schizolophous, spirolophous, subplectolophous or plectolophous.
Source: Moore, 1965.
The following taxa that belong to this superfamily occur in this region:
Family Cancellothyrididae
Subfamily Cancellothyridinae
Genus Terebratulina
Terebratulina retusa