Beecher, 1893
Broadly sulcate to intraplicate, with tendency to quadriplication. Beak erect, no beak ridges; foramen large, mesothyridid, attrite, symphytium concave. Hinge teeth supported in young by dental plates which become thin with age and absent in adult; cardinalia with excavate hinge plates supported by median septum, separated into inner and outer parts by crural bases, cardinal process absent or rudimentary, shelflike; loop dalliniform.
Source: Moore, 1965.
The following species that belong to this genus occurs in this region:
Dallina septigera