Species: Allogona townsendiana

<i>Allogona townsendiana </i>is a simultaneous hermaphrodite and lays eggs. Oviposition occurs in spring but may not be restricted to this season. The snails are most active during spring (Kozloff 1976), which is apparently correlated with mating and oviposition. These snails dig a depression into soft, moist soil and lay multiple eggs (Ovaska et al. 2001a). Clutch size is unknown, and nothing further is known about breeding requirements. Characteristics of the soil and litter layer may be important for oviposition sites (COSEWIC, 2002). In Fort Langley, British Columbia, mating peaked in March and April with adults aggregated in clusters of 8 to 14 before mating, nesting peaked in April-May and resulted in mean clutch size of 34 eggs with hatching 63-64 days after oviposition and juveniles crawling from the nest within hours (Steensma et al., 2009). Snails hibernated from early November to mid-March wihin leaf litter and soil and life span is at least five years (Steensma et al., 2009).