Gammatricula
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Gammatricula
''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and .... Species Species within the genus ''Gammatricula'' include: * '' Gammatricula chinensis'' ..., 1990 * '' Gammatricula fujianensis'' (Liu, Zhang & Wang, 1983)Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . * '' Gammatricula shini'' (Habe, 1961) * '' Gammatricula songi'' Davis, Chen & Yu, 1994 References Pomatiopsidae {{Pomatiopsidae-stub ...
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Gammatricula Songi
''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and .... Species Species within the genus ''Gammatricula'' include: * '' Gammatricula chinensis'' ..., 1990 * '' Gammatricula fujianensis'' (Liu, Zhang & Wang, 1983)Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . * '' Gammatricula shini'' (Habe, 1961) * '' Gammatricula songi'' Davis, Chen & Yu, 1994 References Pomatiopsidae {{Pomatiopsidae-stub ...
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Gammatricula Shini
''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China. Species Species within the genus ''Gammatricula'' include: * '' Gammatricula chinensis'' ..., 1990 * '' Gammatricula fujianensis'' (Liu, Zhang & Wang, 1983)Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . * '' Gammatricula shini'' (Habe, 1961) * ''Gammatricula songi ''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China China, offic ...'' Davis, Chen & Yu, 1994 References Pomatiopsidae {{Pomatiopsidae-stub ...
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Gammatricula Fujianensis
''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China. Species Species within the genus ''Gammatricula'' include: * '' Gammatricula chinensis'' ..., 1990 * '' Gammatricula fujianensis'' (Liu, Zhang & Wang, 1983)Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . * ''Gammatricula shini'' (Habe, 1961) * ''Gammatricula songi ''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China China, offic ...'' Davis, Chen & Yu, 1994 References Pomatiopsidae {{Pomatiopsidae-stub ...
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Gammatricula Chinensis
''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China. Species Species within the genus ''Gammatricula'' include: * '' Gammatricula chinensis'' ..., 1990 * ''Gammatricula fujianensis'' (Liu, Zhang & Wang, 1983)Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . * ''Gammatricula shini'' (Habe, 1961) * ''Gammatricula songi ''Gammatricula'' is a genus of freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae. Distribution The distribution of ''Gammatricula'' includes China China, offic ...'' Davis, Chen & Yu, 1994 References Pomatiopsidae {{Pomatiopsidae-stub ...
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Pomatiopsidae
Pomatiopsidae is a family of small, mainly freshwater snails, (some also occur in other habitats) that have gills and an operculum, aquatic gastropod mollusks in the superfamily Truncatelloidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Pomatiopsidae are well known as intermediate hosts of Asian schistosomes. Distribution Species in the family Pomatiopsidae occur worldwide. The generic diversity of Pomatiopsinae is particularly high in the Japanese Archipelago, where four of the eight genera, including two endemics, are recorded. The subfamily Triculinae radiated as aquatic snails in freshwater habitats in Southeast Asia. Description The American malacologist William Stimpson first defined this taxon as Pomatiopsinae in 1865. Stimpson W. (1865). "Researches upon the Hydrobiinae and allied forms chiefly made upon materials in the museum of the Smithsonian Institution". '' Smithsonian Miscellaneous Collections'' 7'(201) 1-59page 4 Stimpson's d ...
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Triculinae
Pomatiopsidae is a family of small, mainly freshwater snails, (some also occur in other habitats) that have gills and an operculum, aquatic gastropod mollusks in the superfamily Truncatelloidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Pomatiopsidae are well known as intermediate hosts of Asian schistosomes. Distribution Species in the family Pomatiopsidae occur worldwide. The generic diversity of Pomatiopsinae is particularly high in the Japanese Archipelago, where four of the eight genera, including two endemics, are recorded. The subfamily Triculinae radiated as aquatic snails in freshwater habitats in Southeast Asia. Description The American malacologist William Stimpson first defined this taxon as Pomatiopsinae in 1865. Stimpson W. (1865). "Researches upon the Hydrobiinae and allied forms chiefly made upon materials in the museum of the Smithsonian Institution". '' Smithsonian Miscellaneous Collections'' 7'(201) 1-59page 4 Stimpson's d ...
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Operculum (gastropod)
The operculum (; ) is a corneous or calcareous anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also in a few groups of land snails; the structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the families Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc. The operculum is attached to the upper surface of the foot and in its most complete state, it serves as a sort of "trapdoor" to close the aperture of the shell when the soft parts of the animal are retracted. The shape of the operculum varies greatly from one family of gastropods to another. It is fairly often circular, or more or less oval in shape. In species where the operculum fits snugly, its outline corresponds exactly to the shape of the aperture of the shell and it serves to seal the entrance of the shell. Many families have opercula that are reduced in size, and which a ...
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BMC Evolutionary Biology
''BMC Ecology and Evolution'' (since January 2021), previously ''BMC Evolutionary Biology'' (2001–2020), is a peer-reviewed open access scientific journal covering all fields of evolutionary biology, including phylogenetics and palaeontology. It was established in 2001 and is part of a series of BMC journals published by BioMed Central. Abstracting and indexing The journal is abstracted and indexed in: According to the ''Journal Citation Reports'', the journal has a 2020 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 3.260. References External links * BioMed Central academic journals Creative Commons Attribution-licensed journals {{biology-journal-stub ...
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List Of Non-marine Molluscs Of China
The non-marine mollusks of China are a part of the molluscan fauna of China (wildlife of China). A number of species of non-marine mollusks are found in the wild in China. Freshwater gastropods Amnicolidae * '' Erhaia chinensis'' (Liu & Zhang, 1979)Edmund Gittenberger, Choki Gyeltshen & Björn Stelbrink (2022). "The genus Erhaia (Gastropoda, Truncatelloidea, Amnicolidae), with a new species from Bhutan". ZooKeys 1085: 1–9. doi: 10.3897/zookeys.1085.77900 * ''Erhaia daliensis'' Davis & Kuo in Davis et al., 1985 * ''Erhaia gongjianguoi'' (Kang, 1983) * '' Erhaia hubeiensis'' (Liu, Zhang & Wang, 1983) * '' Erhaia jianouensis'' (Liu & Zhang, 1979) * '' Erhaia kunmingensis'' Davis & Kuo in Davis et al., 1985 * ''Erhaia lii'' (Kang, 1985) * '' Erhaia liui'' (Kang, 1985) * '' Erhaia robusta'' (Kang, 1986) * '' Erhaia shimenensis'' (Liu, Zhang & Chen, 1982) * ''Erhaia tangi'' (Cheng, Wu, Li & Lin, 2007) * ''Erhaia triodonta'' (Liu, Wang & Zhang, 1991) * ''Erhaia wantanensis'' (Kan ...
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Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ...
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Micromollusk
A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also reach adult size at very small dimensions. These tiny mollusks or their tiny shells are easy to overlook, as many of them are not very noticeable to the naked eye, and thus many people are not aware that they even exist. Nonetheless there are large numbers of families and vast numbers of mollusk species, in particular marine gastropods or sea snails, which are minute enough to be considered micromollusks. Considerable numbers of marine gastropod species are only about 5 or 6 mm in adult size; many others are only about 2 or 3 mm in adult size; and a few have adult shells which are as small as one millimeter or even smaller still. Despite their tiny size, many of the shells have a good deal of elaborate sculpture. A fair number ...
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Mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species. The proportion of undescribed species is very high. Many taxa remain poorly studied. Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. They are highly diverse, not just in size and anatomical structure, but also in behaviour and habitat. The phylum is typically divided into 7 or 8  taxonomic classes, of which two are entirely extinct. Cephalopod molluscs, such as squid, cuttlefish, and octopuses, are among the most neurologically advanced of all invertebrates—and either the giant squid or the colossal squid is the largest known invertebrate species. The gas ...
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