02 Cerithiopsis tubercularis

02 Cerithiopsis tubercularis

Juvenile shell heights 2.6 mm (1), 2 mm (2) and 1.1 mm (3). Width greatest relative to height on smallest shells. Body whorl about 50% of shell height (4). Protoconch large (5), relative to teleoconch (6). Menai Strait, Wales, March 2012.