This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
P. J. Wagner, 2020 - Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2020) - (), - (compendium, English)
R. B. Blodgett, 1999 - New Devonian gastropod genera important for paleogeographic reconstructions - Journal of the Czech Geological Society (44), 293-308 (journal article, English)
J. F. Whiteaves, 1892 - The fossils of the Devonian rocks of the islands, shores or immediate vicinity of Lakes Manitoba and Winnipegosis - Contributions to Canadian Palaeontology (1), 255-359 (journal article, )
F. A. Römer, 1843 - - Die Versteinerungen des Harzgebirges (), 1-40 (book/book chapter, German)
J. Phillips, 1841 - Figures and descriptions of the Palaeozoic fossils of Cornwall, Devon, and West Somerset; observed in the course of the Ordinance Geological Survey of that district - Geological Society of London (), 1-231 (serial monograph, )