Gastropoda

Holopeidae Wenz, 1938

Selection of related publications
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Koken, E. & Perner, J. 1925. Die Gastropoden des baltischen Untersilurs.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii.