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Ramshorn snails are hermaphroditic; [3] [4] two organisms of any sex have the ability to breed and produce offspring. Ramshorn snails lay eggs in globules, which tend to be brownish in color. The globules contain about a dozen or so eggs, though it can vary. The globules are translucent, so it is possible to visually see the new snails develop ...
Anisus vorticulus (lesser ramshorn snail or little whirlpool ramshorn snail) is a species of small, air-breathing, freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails.
Planorbella magnifica, the magnificent ramshorn, is a species of small, freshwater, air-breathing snail, a pulmonate gastropod mollusc in the family Planorbidae, the ram's horn snails. This species is endemic to the United States .
Planorbella oregonensis Tryon 1865 - Lamb Ramshorn; Planorbella pilsbryi Baker 1926 - File Ramshorn; Planorbella scalaris Jay 1839 - Mesa Ramshorn; Planorbella subcrenata Carpenter 1857 - Rough Ramshorn; Planorbella tenuis Dunker 1850 - Mexican Ramshorn; Planorbella traski Lea 1856 - Keeled Ramshorn; Planorbella trivolvis Say 1817 - Marsh Ramshorn
The magnificent ramshorn snail is found only in the Lower Cape Fear River basin. It was recently returned to the wild for the first time in decades. A near-extinct NC snail is back in the wild.
Planorbarius corneus is the largest European species of ramshorn snail (family Planorbidae), with a shell typically measuring 35 millimetres (1.4 in) across when fully-grown. [ 4 ] The 10–17 by 22–40 millimetres (0.39–0.67 by 0.87–1.57 in) coiled shell has between 3 and 4.5 rounded whorls with deep sutures , the last whorl predominating.
Neritina (common name: nerite snails), is a genus of small aquatic snails with an operculum in the family Neritidae, the nerites. [2] They are as well marine, as brackish water, and sometimes freshwater gastropod mollusks. Neritina is the type genus of the tribe Neritinini. [3]
Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. [2] The family Neritidae includes marine genera such as Nerita, marine and freshwater genera such as Neritina, and freshwater and brackish water genera such as Theodoxus.