Land Snails

Rhagada Albers, 1860

Type species: Helix reinga Pfeiffer, 1846

Fauna Portal Genus Number: 901

(after Köhler 2014): Shell small to medium-sized (D = 9–25 mm), subglobose with moderately to strongly elevated, exceptionally also low spire; umbilicus frequently concealed by greatly expanded callus, occasionally forming a chink or narrowly open; protoconch smooth to weakly sculptured by radial ridgelets or ribs; teleoconch with faint to well-developed sculpture of axial ridgelets or ribs, mostly on upper sector of whorls; whorls separated by shallow suture; periphery well- rounded to weakly angulated. Shell colour generally variable, background whitish or brownish horn, with well-developed, red subsutural, peripheral and frequently additional, thinner spiral bands. Eversible head wart between ommatophores. Penis without penial sheath, with well-developed, long and coiled epiphallus with flagellum of variable length; penial retractor muscle attached at epiphallus; epiphallus opens to lumen of penial chamber through large, cone-shaped verge with characteristic sperm groove. Bursa copulatrix short to long, simple to kinked.

Land snails of the genus Rhagada Albers, 1860 are chiefly recognised by their typically medium sized shell with conspicuous, reddish-brown spiral banding on a brighter background of white to ochre colour.