Haplotrema vancouverense (I. Lea, 1839) Robust Lancetooth
Pristilomatidae, ,Gastropoda, Mollusca, Animalia
Range: Occurs in forested habitats throughout western Washington. from near sea level to 1220 m
Description: Shell with 5.25 to 5.5 whorls, umbilicus 22 to 25% of shell diameter; shell color olive with darker and lighter streaks, some specimens may be chocolate-brown; lip in full-grown shells is slightly thickened; shell smooth on dorsal surfaces and inside umbilicus.
Natural History: Commonly found under woody debris and litter.
A predator of other snails and slugs.
Etymology: haplo trema – simple hole; vancouverense – from Vancouver