Lauria cylindracea (da Costa, 1778)
The shell of this species is 3-4 mm high and 1.8 mm wide with 5-6 whorls. The brown shell of this species is transparent and glossy. It is pupa-shaped with a low spire. The aperture (mouth) may have a papery mucus membrane and may or may not have a tooth. The apertural margin is white, sharp and reflected. The umbilicus (navel) is open and narrow. The body of the animal is dark with pale sides and foot. The animal characteristically moves with the shell held in an almost vertical position.
Western Europe and Mediterranean region
- U.S.: Washington
- Canada: British Columbia
This species never lay eggs; instead, it produces living young (ovoviviparous). The juveniles have 2-2.5 whorls. This species occurs in forests, meadows and gardens, but never where the humidity is high.
- Turbo cylindraceus Da Costa, 1778
- Pupa umbilicata Draparnaud, 1801
- Pupa sempronii Charpentier, 1837
- Pupa dilucida Rossmassler, 1837
- Lauria cymmetrica Puzanov, 1925
Anderson 2005; Hausdorf 2007; Kantor et al. 2009; Kerney et al. 1979; Rosenberg and Muratov 2006