Campbell, S. P.; Frair, J. L.; Gibbs, J. P.; Rundell, R. J. Coexistence of the endangered, endemic Chittenango ovate amber snail (Novisuccinea chittenangoensis) and a non-native competitor. Biological Invasions. 2015, 17 (2): 711–723. doi:10.1007/s10530-014-0763-5(英语).
Campbell S. P., Frair J. L. & Gibbs J. P. (2010). "Competition and coexistence between the federally-threatened Chittenango Ovate Amber Snail (Novisuccinea chittenangoensis) and a non-native snail (Succinea sp. B)". Unpublished manuscript, Final Progress Report to the U.S. Fish and Wildlife Service, 56 pp., PDF(页面存档备份,存于互联网档案馆).