Megalomastomatidae is a family of tropical land snails with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Genera Genera within the family Megalomastomatidae include: Cyclopomops Bartsch & J. P. E. Morrison, 1942 Farcimen Troschel, 1847"Mollusca" . Diversidad Biológica Cubana, accessed 23 March 2011. Farcimoides Bartsch, 1942 Hainesia L. Pfeffer, 1856:"Megalomastomatidae". Paleobiology Database, accessed 23 March 2011. belongs to the subfamily Cyclophoridae incertae sedis Megalomastoma Swainson, 1840 - the type genus of the family Megalomastomatidae Neopupina Kobelt, 1902 Tomocyclus Crosse & P. Fischer, 1872 Synonyms Cyclopoma Troschel, 1847: synonym of Cyclopomops Bartsch & J. P. E. Morrison, 1942 (invalid: not Agassiz, 1833 [Pisces]; Cyclopomops is a replacement name) Cyrtotoma Mörch, 1852: synonym of Aperostoma Troschel, 1847 (invalid: objective junior synonym) Habropoma Crosse & P. Fischer, 1880: synonym of Aperostoma Troschel, 1847 (invalid: objective junior synonym) Lomastoma S. P. Woodward, 1856: synonym of Megalomastoma Swainson, 1840 Megaloma S. P. Woodward, 1854: synonym of Megalomastoma Swainson, 1840 Megalostoma [sic]: synonym of Megalomastoma Swainson, 1840 (misspelling of original genus name, Megalomastoma Swainson, 1840) Megalostomatinae [sic]: synonym of Megalomastomatinae W. T. Blanford, 1864 (misspelling) Subfamily Cochlostomatinae Kobelt, 1902: synonym of Cochlostomatidae Kobelt, 1902 Subfamily Neopupininae Kobelt, 1902: synonym of Megalomastomatinae W. T. Blanford, 1864
References
Webster N., van Dooren T. & Schilthuizen M. (2012). Phylogenetic reconstruction and shell evolution of the Diplommatinidae (Gastropoda: Caenogastropoda: Diplommatinidae). Molecular Phylogenetics and Evolution. 63: 625-638.