synonym of Maoricrypta Finlay, 1926 Zegalerus Finlay, 1927: synonym of Sigapatella Lesson, 1831 References External links Miocene Gastropods and Biostratigraphy of the Kern River Area, California; United States Geological Survey Professional Paper 642 Marshall B.A. 2003. A review of the Recent and Late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda). The Veliger 46(2): 117-144 Collin R. 2005. Development, phylogeny, and taxonomy of Bostrycapulus (Caenogastropoda: Calyptraeidae), an ancient cryptic radiation. Zoological Journal of the Linnean Society 144(1): 75-101, Hoagland, K.E. 1977. Systematic review of fossil and recent Crepidula and discussion of the evolution of the Calyptraeidae. Malacologia, 16(2): 353-420 Gastropod families Taxa named by Jean-Baptiste Lamarck