36 Lacuna vincta COMPARE Lacuna crassior

36 Lacuna vincta COMPARE Lacuna crassior

Not fully grown L. crassior; distinct spire (1) 46% of shell height; body whorl (2) 82% of shell height. Dots are boundary between spire and body whorl.
Dead shell has dull yellowish-brown periostracum with its costal ridges reduced by drying.
Shell height 5.5 mm, Orkney, August 1976.
Full SPECIES DESCRIPTION: flic.kr/p/gTkfF4
Sets of OTHER SPECIES at: /