Genus Dielasma King, 1859

Type species: Terebratulites elongatus von Schlotheim, 1816.

Stratigraphic distribution: Upper Mississippian to Permian (Lower Carboniferous to Permian). Geographic distribution: cosmopolitan.

MIN 0001471.1-7

Dielasma elongatum (von Schlotheim, 1816) Locality: Pressneck, Thuringia, Germany Stratigraphy: Permian

MIN 0001473.1-3

Dielasma hastatum (Sowerby, 1842) Locality: Limerick, Ireland

Stratigraphy: Upper Carboniferous