Small to large, triangular to subquadrangular in outline; rectimarginate to paraplicate; beak erect, without beak ridges; foramen small to large, mesothyrid, attrite, symphytium concave. Hinge teeth small, weak; pedicle collar very short. Cardinalia lamellar with excavate inner and outer hinge plates separated by narrow crural bases; inner hinge plates converging on median septum to form V-shaped septalium; cardinal process not differentiated; median septum low anteriorly, extending beyond midvalve; adult loop teloform.[2]
Dallina septigera, brachial valve, 24mm long, near the Philippines
^ abcdefghZezina, ON (2010). "Check-list of Holocene brachiopods annotated with geographical ranges of species". Paleontological Journal. 4: 1176–1199.
^Cooper, GA (1981). "Brachiopoda from the Gulf of Gascogne, France (Recent)". Smithsonian Contributions to Paleobiology. 44: 1–35.