Genus Petrocrania Raymond, 1911

Type species: Craniella meduanensis Oehlert, 1888 .

Stratigraphic distribution: upper Arenigian (Ordovician) to Lower Carboniferous. Geographic distribution: cosmopolitan.

MIN 0001632

Petrocrania scabiosa (Hall, 1868) Locality: Pelm, Eifel region, Germany Stratigraphy: Eifelian, lower Middle Devonian