Genus Alatiformia Struve, 1963

Type species: Spirifer alatiformis Drevermann, 1907 .

Stratigraphic distribution: Emsian to Eifelian (upper Lower to lower Middle Devonian). Geographic distribution: Europe, USA (Nevada).

MIN 0001668

Alatiformia alatiformis (Drevermann, 1907) Locality: Ahler Hütte, Lahntal, Middle Rhine area, Germany Stratigraphy: Upper Emsian, upper Lower Devonian

MIN 0001445

Alatiformia alatiformis (Drevermann, 1907) Locality: Ahler Hütte, Lahntal, Middle Rhine area, Germany Stratigraphy: Upper Emsian, upper Lower Devonian

MIN

Alatiformia alatiformis (Drevermann, 1907) Locality: Ahler Hütte, Lahntal, Middle Rhine area, Germany Stratigraphy: Upper Emsian, upper Lower Devonian