MolluscaBase taxon details
original description
Nützel, A., Bandel, K. (2000). Goniasmidae and Orthonemidae: two new families of the Palaeozoic Caenogastropoda (Mollusca, Gastropoda). <em>Neues Jahrbuch für Geologie und Paleontologie, Monatshefte.</em> 2000(9): 557−569. [details]
additional source
Mazaev A.V. (2002). Some murchisoniid gastropods from the Middle and Upper Carboniferous of the Central part of Russian Plate. <em>Ruthenica: The Russian Malacological Journal.</em> 12(2): 89-106. [details]