Oxychilus draparnaldi (Beck, 1837)

dark-bodied glass-snail

 

Width, 13.1 mm; 5 3/4 whorls; glossy and pale brown above.

Umbilicus about 1/6 of shell width; color below much paler than upper surface, somewhat transparent.

Shell strongly depressed; aperture oblique and deeply lunate.


 

Notes - found in Missouri at St. Louis City, near Bellrieve Park, base of bluffs near railroad tracks, in very wet marshy area, under loose bark of fallen log (38° 33' 41"N, 90° 14' 26"W ); occurs throughout Europe, western Asia and northern Africa; introduced into North America.

This is the largest of the introduced Oxychilus species. Carnivorous by preference. [Pilsbry, Henry A. 1946, LMNA II(1): 250.]