Search results
Results from the WOW.Com Content Network
The shell of Punctum minutissimum is slightly translucent and pale brown in color. It is 1.1 to 1.3 mm wide, and has 3.5 to 4.5 whorls. The outer shell surface has a sculpture of radial striae, which are obvious under magnification.
Angustopila dominikae is a species of light grey, round, land snails, a terrestrial pulmonate gastropod mollusc in the family Hypselostomatidae. Angustopila dominikae have been found in southern China, and are considered to be one of the world's smallest terrestrial molluscs (the holotype's shell height is 0.86 mm). [1]
The Banff Springs snail (Physella johnsoni) is a species of small air-breathing freshwater snail in the family Physidae. Based on molecular research, it appears that Physella johnsoni separated out as a species from Physella gyrina about 10,000 years ago.
Pyrgulopsis licina is a small snail that has a maximum height of 2.4 millimetres (0.094 in) and narrow conical shell. It has an absence of glands on its penis and a strongly curved penial filament leading to its name P. licina from the Latin licinus, meaning bent or turned upward.
The shell is very small, 1.2-1.6 mm in width. [2] The 0.6-0.8 x 1.2-1.6 mm shell is almost flat, extremely densely and regularly striated, appearing silky shiny light horny brown. There are 3-3.5 moderately convex whorls, the aperture is rounded, with a thin margin which is not reflected and without a lip.
Pyrgulopsis arizonae is a small snail that has a height of 3.3–4.6 millimetres (0.13–0.18 in) and a globose to elongate conic shell. Its differentiated from other Pyrgulopsis in that its penial filament has an elongate lobe and medium length, broad filament with the penial ornament consisting of a large, superficial ventral gland often with a similar dorsal gland.
Pyrgulopsis bruneauensis is a small snail that has a height of 2.2–2.9 millimetres (0.087–0.114 in) and a globose to broadly conical, medium-sized shell. Its differentiated from other Pyrgulopsis in that its penial filament has a very short lobe and elongate filament with the penial ornament consisting of small, weakly developed terminal gland.
The flat pebblesnail is a small snail in the family Lithoglyphidae; however, the species has a large and distinctive-looking shell. This snail's shell is also distinguished by its depressed spire and expanded, flattened body whorl. The shells are ovate in outline, flattened, and grow to 3.5 to 4.4 mm (0.1 to 0.2 in) high and 4 to 5 mm (0.2 in ...