Vitrea Sorella
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Vitrea Sorella
''Vitrea'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pristilomatidae. According to the World Register of Marine Species this genus belongs in the family ''Zonitidae''. Species This genus contains more than 60 species, including the following: subgenus ''Vitrea'' Fitzinger, 1833 * '' Vitrea diaphana'' (Studer, 1820) * '' Vitrea transsylvanica'' (Clessin, 1877) subgenus '' Subrimatus'' A. J. Wagner, 1907 * '' Vitrea narbonensis'' (Clessin, 1877) * ''Vitrea subrimata'' (Reinhardt, 1871) subgenus '' Crystallus'' R. T. Lowe, 1854 * ''Vitrea contracta'' (Westerlund, 1871) * '' Vitrea crystallina'' (O. F. Müller, 1774) subgenus ? * '' Vitrea contortula'' (Krynicki, 1837) * '' Vitrea garganoensis'' (E. Gittenberger & Eikenboom, 2006) * '' Vitrea inae'' * '' Vitrea nadejdae'' * '' Vitrea pseudotrolli'' * ''Vitrea pygmaea'' (Boettger, 1880) * '' Vitrea striata'' * ''Vitrea vereae'' Irikov, Georgiev & Riedel, 2004 * and many ...
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Gastropod Shell
The gastropod shell is part of the body of a Gastropoda, gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some gastropods appear shell-less (slugs) but may have a remnant within the mantle, or in some cases the shell is reduced such that the body cannot be retracted within it (semi-slug). Some snails also possess an operculum that seals the opening of the shell, known as the Aperture (mollusc), aperture, which provides further protection. The study of mollusc shells is known as conchology. The biological study of gastropods, and other molluscs in general, is malacology. Shell morphology terms vary by species group. Shell layers The gastropod shell has three major layers secreted by the Mantle (mollusc), mantle. The calcareous central layer, tracum, is typically made of calcium carbonate precipitated into an organic matrix known as c ...
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Terrestrial Molluscs
Terrestrial molluscs or land molluscs (mollusks) are an ecological group that includes all molluscs that live on land in contrast to freshwater and marine molluscs. They probably first occurred in the Carboniferous, arising from freshwater ones. Characteristics This group includes land snails and land slugs. Loss of the shell has taken place many times in different groups that are not evolutionarily closely related, and land snails and slugs are most often treated together as a single group in specialized malacological literature.Barker G. M. (ed.) The biology of terrestrial molluscs'. CABI Publishing, 2001, 558 pp. .Barker G. M. (ed.) Natural enemies of terrestrial molluscs'. CABI Publishing, 2004, 644 pp. . All terrestrial molluscs belong to the class Gastropoda. However, colonization of the land took place several times during the evolutionary past, and as a result terrestrial molluscs are classified in several different, often not closely related, gastropod taxa. Terrestr ...
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Vitrea Contortula
''Vitrea'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pristilomatidae. According to the World Register of Marine Species this genus belongs in the family ''Zonitidae''. Species This genus contains more than 60 species, including the following: subgenus ''Vitrea'' Fitzinger, 1833 * '' Vitrea diaphana'' (Studer, 1820) * '' Vitrea transsylvanica'' (Clessin, 1877) subgenus '' Subrimatus'' A. J. Wagner, 1907 * '' Vitrea narbonensis'' (Clessin, 1877) * ''Vitrea subrimata'' (Reinhardt, 1871) subgenus '' Crystallus'' R. T. Lowe, 1854 * ''Vitrea contracta'' (Westerlund, 1871) * '' Vitrea crystallina'' (O. F. Müller, 1774) subgenus ? * '' Vitrea contortula'' (Krynicki, 1837) * '' Vitrea garganoensis'' (E. Gittenberger & Eikenboom, 2006) * '' Vitrea inae'' * '' Vitrea nadejdae'' * '' Vitrea pseudotrolli'' * ''Vitrea pygmaea'' (Boettger, 1880) * '' Vitrea striata'' * ''Vitrea vereae'' Irikov, Georgiev & Riedel, 2004 * and many ...
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Vitrea Crystallina
''Vitrea crystallina'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. Description For terms see gastropod shell. The 1.4-2.1 x 3-4 mm. shell is variable. It has 4-5 whorls and the last whorl width seen from above 1.5-2 x of penultimate whorl. The umbilicus is narrow, much narrower than in ''Vitrea botterii'', but clearly open, showing penultimate whorl, initially narrower, widened only at last whorl. Usually smaller than ''V. diaphana'', and larger than ''V. contracta'' which has more densely coiled whorls. Distribution This species occurs in countries and islands including: * Czech Republic * UkraineBalashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. ''Journal of Conchology''. 41 (1): 91-109. * Great Britain * Ireland * and other areas References * Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). ''Checklist of New Zealand living Mollusca''. p ...
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Vitrea Contracta
''Vitrea contracta'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. Description For terms see gastropod shell. The 2.2-2.6 mm. shell is colourless translucent and shiny. It is almost smooth with 4-5 whorls, the last whorl width seen from above 1.4-1.6 x of penultimate whorl. The umbilicus is moderately wide, becoming wider at the last whorl. Distribution This species occurs in countries and islands including: * Czech Republic * UkraineBalashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. ''Journal of Conchology''. 41 (1): 91-109. * Great Britain * Ireland * and other areas References External links ''Vitrea contracta' at Animalbase AnimalBase is a project brought to life in 2004 and is maintained by the University of Göttingen, Germany. The goal of the AnimalBase project is to digitize early zoological literature, provide copyright-free open acc ...
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Vitrea Subrimata
''Vitrea subrimata'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. Distribution The distribution of this species is alpine and southern-European. Lisický M. J. (1991)''Mollusca Slovenska''he Slovak molluscs VEDA vydavateľstvo Slovenskej akadémie vied, Bratislava, 344 pp. This species occurs in countries and islands including: * Czech Republic * UkraineBalashov I. & Gural-Sverlova N. (2012). "An annotated checklist of the terrestrial molluscs of Ukraine". ''Journal of Conchology'' 41(1): 91-109. * Great Britain, notably the Great Asby Scar Great Asby Scar is a Site of Special Scientific Interest (SSSI) and National Nature Reserve in Cumbria, UK. It is an area of limestone pavement, south of the village of Great Asby. History A "scar" is the local name for a limestone pavement⁠ .... References Pristilomatidae Gastropods described in 1871 {{Pristilomatidae-stub ...
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Vitrea Narbonensis
''Vitrea'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pristilomatidae. According to the World Register of Marine Species this genus belongs in the family ''Zonitidae''. Species This genus contains more than 60 species, including the following: subgenus ''Vitrea'' Fitzinger, 1833 * '' Vitrea diaphana'' (Studer, 1820) * '' Vitrea transsylvanica'' (Clessin, 1877) subgenus '' Subrimatus'' A. J. Wagner, 1907 * '' Vitrea narbonensis'' (Clessin, 1877) * ''Vitrea subrimata'' (Reinhardt, 1871) subgenus '' Crystallus'' R. T. Lowe, 1854 * ''Vitrea contracta'' (Westerlund, 1871) * ''Vitrea crystallina'' (O. F. Müller, 1774) subgenus ? * ''Vitrea contortula'' (Krynicki, 1837) * '' Vitrea garganoensis'' (E. Gittenberger & Eikenboom, 2006) * '' Vitrea inae'' * '' Vitrea nadejdae'' * '' Vitrea pseudotrolli'' * ''Vitrea pygmaea'' (Boettger, 1880) * '' Vitrea striata'' * ''Vitrea vereae'' Irikov, Georgiev & Riedel, 2004 * and many o ...
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Vitrea Transsylvanica
''Vitrea transsylvanica'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. Distribution This species occurs in: * Czech Republic * Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. ''Journal of Conchology''. 41 (1): 91-109. References Pristilomatidae Gastropods described in 1877 {{Pristilomatidae-stub ...
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Vitrea Diaphana
''Vitrea diaphana'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. This is the type species of the genus ''Vitrea''. Distribution The distribution of this species is alpine and southern-European. Lisický M. J. (1991)''Mollusca Slovenska''he Slovak molluscs VEDA vydavateľstvo Slovenskej akadémie vied, Bratislava, 344 pp. * Czech Republic * Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...Balashov I. & Gural-Sverlova N. (2012). "An annotated checklist of the terrestrial molluscs of Ukraine". ''Journal of Conchology'' 41(1): 91-109. References Pristilomatidae Gastropods described in 1820 {{Pristilomatidae-stub ...
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Zonitidae
Zonitidae, common name the true glass snails, are a family of mostly rather small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Zonitoidea. Zonitidae is the only family in the superfamily Zonitoidea. The family's type genus is ''Zonites'', established by Pierre Denys de Montfort in 1810. This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Distribution The distribution of the Zonitidae encompasses the western Palearctic. Shell description The spiral, heliciform shells of these snails are flattened in shape with a very low spire. The shell is perforate or umbilicate. The lip of the aperture is simple, lacking thickened margin. These shells are more or less transparent as if made of glass, hence the popular name "glass snails". The shells are colorless or of an amber to brownish color. Biology Some snails in genera within this family create and use love darts as part of their mating ...
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