www.specimenshells.net SPECIMEN SHELLS APLUSTRIDAE Hydatina albocincta Hydatina albocincta 25.1mm Hydatina albocincta 27mm Hydatina albocincta 28.2mm Hydatina albocincta 25mm Hydatina albocincta 25.9mm Hydatina albocincta 25mm Hydatina albocincta 27mm Hydatina albocincta 24mm Hydatina albocincta 25.3mm Hydatina albocincta 25mm		Hydatina albocincta 25.1 mm - Gem 27 mm - Gem 28.2 mm - Gem 25 mm - Gem 25.9 mm - Gem 25 mm - Gem 27 mm - Gem 24 mm - Gem 25.3 mm - Gem 25 mm - Gem