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Acroloxus
''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. Henderson, 1930 - Rocky Mountain capshell * '' Acroloxus egirdirensis'' Shirokaya, 2012 * '' Acroloxus improvisus'' Polinski, 1929 * ''Acroloxus lacustris'' (Linnaeus, 1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...) - Lake limpet * '' Acroloxus macedonicus'' Hadžišce, 1959 * '' Acroloxus pseudolacustris'', Glöer & Pešić, 2012 * '' Acroloxus tetensi'' (Kušcer, 1832) References Acroloxidae Gastropod genera Taxonomy articles created by Polbot {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Lacustris
''Acroloxus lacustris'', or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae. Description The 4–7 mm. (7 mm long, 3 mm wide and 2 mm high) shell is laterally compressed elongate and limpet-like (no whorls and cone or hat shaped) with a sharp apex twisted to the left The colour is yellowish-grey to brown. The dimensions may vary depending on the substrate surface. On thin plant stems the shells are narrow, and more parallel-sided on leaves and stones they are rather wide oval. Distribution Found across Europe to western and central Siberia. The distribution type is Eurosiberian Wide Temperate. This species of freshwater limpet is found in European countries and islands including: * Belgium * Croatia * Czech Republic Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republik ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Tetensi
''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. Henderson, 1930 - Rocky Mountain capshell * '' Acroloxus egirdirensis'' Shirokaya, 2012 * '' Acroloxus improvisus'' Polinski, 1929 * ''Acroloxus lacustris'' (Linnaeus, 1758) - Lake limpet * '' Acroloxus macedonicus'' Hadžišce, 1959 * ''Acroloxus pseudolacustris ''Acroloxus pseudolacustris'' is a species of very small freshwater snail, which because of their shape are known as limpets, aquatic pulmonate gastropods in the family Acroloxidae. Distribution This freshwater limpet is endemic to Gīlān Pr ...'', Glöer & Pešić, 2012 * '' Acroloxus tetensi'' (Kušcer, 1832) References Acroloxidae Gastropod genera Taxonomy articles created by Polbot {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Macedonicus
''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. Henderson, 1930 - Rocky Mountain capshell * '' Acroloxus egirdirensis'' Shirokaya, 2012 * '' Acroloxus improvisus'' Polinski, 1929 * ''Acroloxus lacustris'' (Linnaeus, 1758) - Lake limpet * '' Acroloxus macedonicus'' Hadžišce, 1959 * ''Acroloxus pseudolacustris'', Glöer & Pešić, 2012 * ''Acroloxus tetensi ''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. He ...'' (Kušcer, 1832) References Acroloxidae Gastropod genera Taxonomy articles created by Polbot {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Improvisus
''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. Henderson, 1930 - Rocky Mountain capshell * '' Acroloxus egirdirensis'' Shirokaya, 2012 * '' Acroloxus improvisus'' Polinski, 1929 * ''Acroloxus lacustris'' (Linnaeus, 1758) - Lake limpet * ''Acroloxus macedonicus'' Hadžišce, 1959 * ''Acroloxus pseudolacustris'', Glöer & Pešić, 2012 * ''Acroloxus tetensi ''Acroloxus'' is a genus of very small, air-breathing, freshwater snails, or more precisely limpets, aquatic pulmonate gastropods in the family Acroloxidae. Species Species in the genus ''Acroloxus'' include: * '' Acroloxus coloradensis'' J. He ...'' (Kušcer, 1832) References Acroloxidae Gastropod genera Taxonomy articles created by Polbot {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rocky Mountain Capshell
The Rocky Mountain capshell (''Acroloxus coloradensis'') is a species of freshwater snail in the family Acroloxidae, the river limpets. It is the only member of the family found in North America.Anderson, TRocky Mountain Capshell Snail (''Acroloxus coloradensis''): a technical conservation assessment.USDA Forest Service, Rocky Mountain Region. January 20, 2005. Description This snail has a flat brown and white shell with the apex on the posterior left side. It has clear growth lines and radial striae. It can be up to 5 millimeters long, 2.9 wide, and 1.2 tall. Distribution and habitat The Rocky Mountain capshell is native to the Rocky Mountains of North America. It has been recorded in high-altitude ponds and lakes in Colorado and Montana in the United States and British Columbia, Alberta, Ontario, and Quebec in Canada. It has also recently been found in some slowly flowing portions of the Beaver River in Alberta.Paul, A. J. and H. F. Clifford. (1991). ''Acroloxus coloradensi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Coloradensis
The Rocky Mountain capshell (''Acroloxus coloradensis'') is a species of freshwater snail in the family Acroloxidae, the river limpets. It is the only member of the family found in North America.Anderson, TRocky Mountain Capshell Snail (''Acroloxus coloradensis''): a technical conservation assessment.USDA Forest Service, Rocky Mountain Region. January 20, 2005. Description This snail has a flat brown and white shell with the apex on the posterior left side. It has clear growth lines and radial striae. It can be up to 5 millimeters long, 2.9 wide, and 1.2 tall. Distribution and habitat The Rocky Mountain capshell is native to the Rocky Mountains of North America. It has been recorded in high-altitude ponds and lakes in Colorado and Montana in the United States and British Columbia, Alberta, Ontario, and Quebec in Canada. It has also recently been found in some slowly flowing portions of the Beaver River in Alberta.Paul, A. J. and H. F. Clifford. (1991). ''Acroloxus coloradensi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Pseudolacustris
''Acroloxus pseudolacustris'' is a species of very small freshwater snail, which because of their shape are known as limpets, aquatic pulmonate gastropods in the family Acroloxidae. Distribution This freshwater limpet is endemic to Gīlān Province in Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...; it also possibly occurs in Māzandarān Province. References Acroloxidae Gastropods described in 2012 Endemic fauna of Iran {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxus Egirdirensis
''Acroloxus egirdirensis'' is a species of very small freshwater snail, which because of their shape are known as limpets, aquatic pulmonate gastropods in the family Acroloxidae. Distribution This freshwater limpet species is endemic to Lake Eğirdir in Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with .... It is found in the shallow waters along the north side of the lake. Threats The survival of this species is threatened by the accumulation of pesticides in the lake from surrounding orchards, as well as by soil erosion leading to siltation. References Acroloxidae Gastropods described in 2012 Vulnerable animals Endemic fauna of Turkey {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acroloxidae
Acroloxidae, commonly known as river limpets, are a taxonomic family of very small, freshwater snails, aquatic pulmonate gastropod limpet-like mollusks with a simple flattened conical shell in the clade Hygrophila. Acroloxidae is the only family within the superfamily Acroloxoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Distribution Worldwide. * '' Gerstfeldtiancylus'' Starobogatov, 1989 * '' Pseudancylastrum'' Lindholm, 1909Lindholm (1909). ''Wiss. Ergeb. Exped. Baikal'' 4: 26. References This article incorporates public domain text from the reference. External links {{Taxonbar, from=Q1936735 Taxa named by Johannes Thiele (zoologist) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Snail
Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few exceptions. Some groups of snails that live in freshwater respire using gills, whereas other groups need to reach the surface to breathe air. In addition, some are amphibious and have both gills and a lung (e.g. ''Ampullariidae''). Most feed on algae, but many are detritivores and some are filter feeders. According to a 2008 review of the taxonomy, there are about 4,000 species of freshwater gastropods (3,795–3,972). At least 33–38 independent lineages of gastropods have successfully colonized freshwater environments. It is not possible to quantify the exact number of these lineages yet, because they have yet to be clarified within the Cerit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pulmonate
Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includes many land and freshwater families, and several marine families. The taxon Pulmonata as traditionally defined was found to be polyphyletic in a molecular study per Jörger ''et al.'', dating from 2010. Pulmonata are known from the Carboniferous Period to the present. Pulmonates have a single atrium and kidney, and a concentrated, symmetrical, nervous system. The mantle cavity is located on the right side of the body, and lacks gills, instead being converted into a vascularised lung. Most species have a shell, but no operculum, although the group does also include several shell-less slugs. Pulmonates are hermaphroditic, and some groups possess love darts. Linnean taxonomy The taxonomy of this group according to the taxonomy of the Ga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
