original description(ofRissoina harpa J. A. Gardner, 1948 †)Gardner, J. (1948). Mollusca from the Miocene and Lower Pliocene of Virginia and North Carolina part 2. Scaphopoda and Gastropoda. <em>United States Geological Survey Professional Paper.</em> 199-B: 179-310., available online athttps://pubs.usgs.gov/pp/0199b/report.pdf page(s): 193; plate 29, fig. 20 [details] Available for editors [request]