Part 2. Working classification of the Gastropoda. Malacologia, 47: 239-283, Ann Arbor 2005 ISSN 0076-2997ISSN 0076-2997Christopher M. Wade, Peter B. Mordan 和 Fred Naggs: Evolutionary relationships among the Pulmonate land snails and slugs (Pulmonata, Stylommatophora).Biological Journal of the Linnean Society, 87: 593-610, Oxford 2006 ISSN 0024-4066ISSN 0024-4066参考资料^ Noel Morris & John Taylor: Global events and biotic interactions as controls on the evolution of gastropods. In: Stephen J. Culver, Peter F. Rawson: Biotic response to global change: The last 145 million years. Cambridge University Press (2000)^ M.J. Benton(发行):The Fossil Record 2.Chapman & Hall, London 1993.