The rostroconch mollusc Euchasma Billings, 1865 from the Lower Ordovician Catoche Formation (St. George Group), western Newfoundland, Canada.Published in:Atlantic Geology, 2008, v. 44, p. 62By:Rohr, David M.;Boyce, W. Douglas;Knight, Ian;Measures, Elizabeth A.Publication type:Article
Early Cambrian Mollusc Watsonella crosbyi: A Potential GSSP Index Fossil for the Base of the Cambrian Stage 2.Published in:Acta Geologica Sinica (English Edition), 2011, v. 85, n. 2, p. 309, doi. 10.1111/j.1755-6724.2011.00400.xBy:Guoxiang LI;Xin ZHAO;GUBANOV, Alexander;Maoyan ZHU;Lin NAPublication type:Article
James Hall's (1856) Rostroconchs from the Mississippian of Indiana and Illinois.Published in:Ohio Journal of Science, 2006, v. 106, n. 4, p. 156By:Hoare, Richard D.Publication type:Article
Gastropods and Rostroconchs (Mollusca) from the Maxville Limestone (Upper Mississippian) in Ohio.Published in:Ohio Journal of Science, 2004, v. 104, n. 4, p. 86By:Hoare, Richard D.Publication type:Article