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Helicina Nemoralis
''Helicina nemoralis'' is a species of tropical land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ... in the family Helicinidae. References * Robinson, D. G., Fields, A. & Zimmerman, F. J. (2004). The terrestrial malacofauna of Trinidad and Tobago. Interim report. 1-21. External links Guppy, R. J. L. (1864). Descriptions of new species of fluviatile and terrestrial operculate Mollusca from Trinidad. The Annals and Magazine of Natural History, 3rd series. 14: 243-248.Guppy, R. J. L. (1866). On the terrestrial and fluviatile Mollusca of Trinidad. Annals and Magazine of Natural History, series 3. 17: 42-56.Smith, E. A. (1896). A list of the land and freshwater Mollusca of Trinidad. Journal of Conchology. 8: 231-251, pl. 8, LondonBland, T. (1869). Notes on the land-shells of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as slugs). However, it is not always easy to say which species are terrestrial, because some are more or less amphibious between land and fresh water, and others are relatively amphibious between land and salt water. Land snails are a polyphyletic group comprising at least ten independent evolutionary transitions to terrestrial life (the last common ancestor of all gastropods was marine). The majority of land snails are pulmonates that have a lung and breathe air. Most of the non-pulmonate land snails belong to lineages in the Caenogastropoda, and tend to have a gill and an operculum. The largest clade of land snails is the Cyclophoroidea, with more than 7,000 species. Many of these operculate land snails live in habitats or microhabitats ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicinidae
Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea. These snails are not at all closely related to the air-breathing land snails, despite a superficial similarity of the shells. The name "Helicinidae" immediately reminds most people of "Helicidae", the most popular group of land snails including e.g. Helix pomatia, but the important two letters "ni" only from the Latin diminutive of the latter name alluding to superficial similarities of otherwise completely different things. Distribution These snails are found in tropical and subtropical areas but they have an odd distribution: they are restricted to the Caribbean islands and some Indo-Pacific and Pacific islands, as well as the edge of the Asian and Australian continents. Some species are found in the southern United States, from Louisiana to Florida; others in Central and South America. Taxonomy Helicinidae belon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
