Genus Cyrtospirifer Nalivkin, 1924

Type species: Spirifer Verneuili Murchison, 1840 .

Stratigraphic distribution: Frasnian to lower Famennian (Upper Devonian). Geographic distribution: cosmopolitan.

MIN 0001429.1-2

Cyrtospirifer verneuili (Murchison, 1840) Locality: Büdesheim, Eifel region, Germany Stratigraphy: Frasnian, lower Upper Devonian