Ponder W. & Lindberg D. R. (1997). «Towards a phylogeny of gastropod molluscs: an analysis using morphological characters». Zoological Journal of the Linnean Society119(2): 83—265. doi:10.1111/j.1096-3642.1997.tb00137.x.
Strong, E. E. (2003). «Refining molluscan characters: morphology, character coding and a phylogeny of the Caenogastropoda». Zoological Journal of the Linnean Society137: 447—554. doi:10.1046/j.1096-3642.2003.00058.x.
Frýda J., Hausdorf B., Ponder W., Valdes A. & Warén A. Classification and nomenclator of gastropod families / ed. Bouchet P. & Rocroi J.-P. // Malacologia: International Journal of Malacology. — Hackenheim : ConchBooks, 2005. — Vol. 47, no. 1—2. — 397 p. — ISBN 3-925919-72-4. — ISSN0076-2997.