High Quality Content by WIKIPEDIA articles! Xerocrassa geyeri is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae. It is also often known as Trochoidea geyeri. Xerocrassa geyeri was originally described under name Xerophila geyeri by Hungarian malacologist Lajos Soos (1879-1972) in 1926. The specific name geyeri is in honor of German zoologist David Geyer (1855-1932). The type specimens are stored in the Natural History Museum of Geneva. Xerocrassa geyeri is a small land snail. The height of the shell is 3.4-6.0 mm, usually 3.5-5 mm. The width of the shell is 5.1(5.0)-8.0 mm. The shell is globular in its shape. The shell has 4.5-5 whorls. There are sometimes radial ribs on the surface of the shell forming its sculpture. There are usually no periostracal structures, but there can be hairs and then there remain pits after hairs especially on the whorl bellow apex.

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