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If snails hatched more than 50 m distant from each other, they are considered isolated since they would not move more than 25 m (neighbourhood area 32–50 m), usually they move about 7–12 m in a year, mostly along water currents. [4] drawing of love dart of Arianta arbustorum. This species of snail makes and uses calcareous love darts during ...
Orthalicus reses, the Stock Island tree snail or the Florida tree snail, is a species of large tropical air-breathing tree snail, a terrestrial pulmonate gastropod mollusk in the family Orthalicidae. It was first described in 1830 by the American naturalist Thomas Say. The holotype, a specimen probably collected in Key West, was subsequently lost.
This barrel bubble snail has an ovate white shell with shouldered whorls. The body whorl has 10 -14 slightly irregular spiral grooves. The columella is twisted. The aperture is ovate and is rounded above and below. The shell length is 3 – 7.5 mm. The maximum recorded shell length is 7.5 mm. [2]
A live individual of Liguus fasciatus from Everglades. Shells of Liguus fasciatus can reach a size of 42–68 millimetres (1.7–2.7 in). [6] [1] These polished shining shells, ranging from white to almost black, have whorls banded with many colors (chestnut, orange, yellow pink or green).
Anguispira mordax, also known as the Appalachian tigersnail, is a species of pulmonate land snail in the family Discidae endemic to the southeastern United States. It is named after the Appalachian mountain range.
The Terebridae, commonly referred to as auger shells or auger snails, is a family of predatory marine gastropods in the superfamily Conoidea. [3] They have extremely high-spired shells with numerous whorls; their common name refers to the resemblance of their shells to rock-drill bits. More than 400 species are recently known worldwide. [2] [4]
Littorina saxatilis, common name the rough periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles. First identified in the 1700s, it has been misidentified as a new species 112 times.
Balea perversa, also known as the wall snail or tree snail, [1] is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails. The shell of this species is left-handed in coiling and it looks like a juvenile of a clausiliid.