Genus Orthothrix Geinitz, 1847
Type species: Orthis excavata Geinitz, 1842 .
Stratigraphic distribution: Roadian to Kazanian (upper Lower to Upper Permian). Geographic distribution: Europe.
MIN 0001697.1-2
Orthothrix excavata (Geinitz, 1842) Locality: Pressneck, Thuringia, Germany Stratigraphy: Permian