Genus Athyris M’Coy, 1844

Type species: Terebratula concentrica von Buch, 1834. Stratigraphic distribution: Devonian,?Lower Carboniferous. Geographic distribution: cosmopolitan.

Locality: Stollberg, Aachen, Germany

Stratigraphy: Eifelian, lower Middle Devonian Athyris undata (Defrance, 1828)

Locality: Stadtfeld, Eifel region, Germany

Stratigraphy: Stadtfeld beds, Lower Emsian, upper Lower Devonian MIN 0001660.1-2

Athyris undata (Defrance, 1828)

Locality: Stadtfeld, Eifel region, Germany Stratigraphy: Stadtfeld beds, Lower Emsian, upper Lower Devonian MIN 0001458.1-4

Athyris undata (Defrance, 1828)

Locality: Daleiden, Eifel region, Germany Stratigraphy: Lower Emsian, upper Lower Devonian MIN 0001621

Athyris avirostris (Krantz, 1857)

Locality: Stadtfeld, Eifel region, Germany Stratigraphy: Stadtfeld beds, Lower Emsian, upper Lower Devonian