Semisulcospira libertina
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Semisulcospira libertina Temporal range: -Recent |
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| S. libertina partially covered by detritus, but showing its basal cords, an important identifying feature | |
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| Drawing of an apertural view of an S. libertina shell | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): |
clade Caenogastropoda clade Sorbeoconcha |
| Superfamily: | Cerithioidea |
| Family: | Semisulcospiridae |
| Genus: | Semisulcospira |
| Species: | S. libertina |
| Binomial name | |
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Semisulcospira libertina (Gould, 1859) |
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| Synonyms | |
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Melania libertina Gould, 1859 |
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Japanese food with Semisulcospira libertina
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| Nutritional value per 100 g (3.5 oz) | |
|---|---|
| Saturated | 28.7% of fat |
| Monounsaturated | 35.5% of fat |
| Polyunsaturated | 35.8% of fat |
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% of amino acids / % of free amino acids
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| Tryptophan | / 0.22% |
| Threonine | 5.4% / 1.87% |
| Isoleucine | 4.6% / 0.06% |
| Leucine | 8.6% / 6.96% |
| Lysine | 6.9% / 2.87% |
| Methionine | 2.1% / 0.25% |
| Cystine | 1.2% / 1.92% |
| Phenylalanine | 4.4% / 0.0% |
| Tyrosine | 3.0% / 0.96% |
| Valine | 5.4% / 0.68 % |
| Arginine | 7.0% / 0.82% |
| Histidine | 2.4% / 0.35% |
| Alanine | 6.9% / 9.39% |
| Aspartic acid | 11.1% / 0.0% |
| Glutamic acid | 14.9% / 0.06% |
| Glycine | 6.6% / 2.77% |
| Proline | 5.1% / 0.52% |
| Serine | 4.4% / 0.09% |
| Vitamins | |
| Vitamin A equiv. |
(280%)
2240 μg
(13%)
1440 μg800 μg
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| Minerals | |
| Calcium |
(19%)
194.5 mg |
| Iron |
(8%)
1.1 mg |
| Phosphorus |
(2%)
16.4 mg |
| Other constituents | |
| Water | 81.0 g |
| Crude fat | 1.2 g |
| Crude protein | 11.9 g |
| Crude ash | 1.9 g |
| Chlorophyll | 170 mg |
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For 100 g of meat there would be need ~250–1000 snails.
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| Percentages are roughly approximated using US recommendations for adults. | |
clade Sorbeoconcha
Melania libertina Gould, 1859
Melanoides libertinus
Semisulcospira toucheana
Semisulcospira libertina is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Semisulcospiridae. Widespread in east Asia, it lives in China, Korea and Japan. In some countries it is harvested as a food source. It is medically important as a vector of clonorchiasis, paragonimiasis, metagonimiasis and others.
The type specimens were collected by American scientist William Stimpson during the North Pacific Exploring and Surveying Expedition (1853–1856). This species was originally described under the name Melania libertina by American malacologist Augustus Addison Gould in 1859. The specific name libertina is from Latin language and means a "freedwoman". Semisulcospira libertina is the type species of the genus Semisulcospira by subsequent designation.
Kuroda (1963) and Habe (1965) considered S libertina a synonym of Semisulcospira bensoni.
The "S. libertina species complex" consist of three species: S. libertina, S. reiniana and S. kurodai, according to Davis (1969). Placement of S. kurodai within this species complex was confirmed by Oniwa and Kimura in 1986.
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