Genus Crurithyris George, 1931
Type species: Spirifer urei Fleming, 1828 .
Stratigraphic distribution: Upper Devonian to Permian. Geographic distribution: cosmopolitan.
MIN 0001421.1-4
Crurithyris urei (Fleming, 1828)
Locality: Büdesheim, Eifel region, Germany Stratigraphy: Famennian, upper Upper Devonian