Ischyrinia Billings, 1866

Selection of related publications
Ebbestad, J. O. R., Rhebergen, F., Gubanov, A. P. 2017. Late Ordovician rostroconchs (Mollusca) from fluvial erratics in northwestern Europe. Bulletin of Geosciences 92, 4, 405-438. DOI:10.3140/bull.geosci.1675
Pojeta, J., Runnegar, B. 1976. The paleontology of rostroconch mollusks and the early history of the phylum Mollusca. Geological Survey of Finland. Professional Paper , 968, 1-85.