Ancotrema sportella (Gould 1846) Beaded Lancetooth
Haplotrematidae, ,Gastropoda, Mollusca, Animalia
Identification: Shell up to 2.5 mm diameter, 1.1 mm high, with about 4 whorls; spire nearly flat; umbilicus completely closed; animal white.
Description: Shell with 5 to 6.5 whorls; umbilicus 25 to 30% of shell diameter; color pale greenish-yellow.
Natural History: A predator of other snails and slugs. Occurs in forested habitats throughout western Washington. Commonly found under woody debris; from sea level to at least 1200 m.
Etymology: Anco trema – elbow hole; sportella – little