Subclass Orthogastropoda
Superorder Caenogastropoda Cox,1960
Order Sorbeoconcha Ponder & Lindberg,1997
Superfamily Rissooidea J.E. Gray,1847
Family Aciculidae

Acicula fusca Montagu 1803
Shell:minute,cylindrical,thin and translucent and very glossy,light golden brown.
2.2-2.5 mm high and 0.8 mm wide with 5-5.5 whorls.
Habitat:damp places,living in litter in mature deciduous woods or in moss by
springs.
Area:Ireland,local in Britain,Belgium,NW Germany,France(South to Dordogne and 
Pyrenean foothills)

photo:www.microscopy.co.uk

Acicula lineolata Pini 1884
Shell:minute,cylindrical(but more conical than other species),edge of mouth thickened.
Coloring as in A.fusca.
3.3-3.7 mm high and 1.2 mm wide.
Habitat:Woods,rocks,rubbly slopes.
Area:South Switzerland and SE France.