Pseudosuccinea columella
| Pseudosuccinea columella | |
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NE
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Hygrophila |
| Superfamily: | Lymnaeoidea |
| Family: | Lymnaeidae |
| Subfamily: | Lymnaeinae |
| Genus: | Pseudosuccinea |
| Species: | P. columella |
| Binomial name | |
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Pseudosuccinea columella (Say, 1817) |
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| Synonyms | |
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Lymnaea columella Say, 1817 |
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Lymnaea columella Say, 1817
Lymnaea ubaquensis Piaget, 1914
Pseudosuccinea columella, common name the "American ribbed fluke snail", is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.
This snail is an intermediate host for Fasciola hepatica, the liver fluke, a parasite of , especially sheep.
Pseudosuccinea columella is native to North America. and Europe. The indigenous distribution of Pseudosuccinea columella reaches from New Brunswick and south Manitoba throughout the eastern USA to Central and South America.
The exact type locality for this species is unknown, but it is somewhere in the Philadelphia area, USA.
This snail has been introduced to Australia and Europe.
The non-indigenous distribution of Pseudosuccinea columella includes:
Europe:
The shell quite closely resembles shells in the genus Succinea, which belongs to a different family.
The shell of Pseudosuccinea columella is horny brown, thin, translucent, fragile and very finely striated. The apex is pointed. The shell has 3.5-4 weakly convex whorls with a shallow suture. The last whorl predominates. The aperture is ovate. The upper palatal margin descends steeply. The columellar margin is reflected only at its upper section; the lower columellar margin sharp and straight.
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Wikipedia