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Megalophaedusa Hiraseana
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * '' Megalophaedusa concrescens'' (Pilsbry 1905) * '' Megalophaedusa hickanis mikawa'' Pilsbry 1905 * '' Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi'' (Von Martens 1860) ** ''Megalophaedusa martensi tinctilabris'' (Pilsbry 1902) * ''Megalophaedusa spelaeonis'' (Kuroda & Minato, 1975) * ''Megalophaedusa vasta Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Martensi
''Megalophaedusa martensi'' is a species of medium-sized air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium. Description ''Megalophaedusa martensi'' is the largest species in the family Clausiliidae, worldwide. The species is oviparous.Mamos, Tomasz; Uit de Weerd, Dennis; Oheimb, Parm Viktor von; Sulikowska-Drozd, Anna (2021). "Evolution of reproductive strategies in the species-rich land snail subfamily Phaedusinae (Stylommatophora: Clausiliidae)". '' Molecular Phylogenetics and Evolution'' 158: 107060. , . Distribution This species is endemic to Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north .... [...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] |
Megalophaedusa Vasta
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * '' Megalophaedusa concrescens'' (Pilsbry 1905) * '' Megalophaedusa hickanis mikawa'' Pilsbry 1905 * '' Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi ''Megalophaedusa martensi'' is a species of medium-sized air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium. Description ''Megalophaedusa martensi'' ...'' (Von Martens 1860) ** '' Megalophaedusa martensi tinctilabris'' (Pilsbry 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Spelaeonis
''Megalophaedusa spelaeonis'', in Japanese: , is a species of small, air-breathing land snail, Terrestrial animal, terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa spelaeonis (Kuroda & Minato, 1975). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1334143 on 2022-07-03 Description The height of the shell is 10–11 mm. The width of the shell is 2.5–3 mm. Distribution This species is Endemism, endemic to central part of Kumamoto Prefecture, Kyushu, Japan.カザアナギセル ''Neophaedusa spelaeonis'' Japanese Red data book, accessed 1 August 2010. It is endangered species (CR+EN) i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Martensi Tinctilabris
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * ''Megalophaedusa concrescens'' (Pilsbry 1905) * ''Megalophaedusa hickanis mikawa'' Pilsbry 1905 * ''Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi'' (Von Martens 1860) ** ''Megalophaedusa martensi tinctilabris'' (Pilsbry 1902) * ''Megalophaedusa spelaeonis'' (Kuroda & Minato, 1975) * ''Megalophaedusa vasta'' Boettger 1877 * ''Megalophaedusa yokohamensis'' (Crosse 1876) References Nomenclator Zoologicus info Clausiliidae {{Clausiliidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Hiraseana
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * '' Megalophaedusa concrescens'' (Pilsbry 1905) * '' Megalophaedusa hickanis mikawa'' Pilsbry 1905 * '' Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi'' (Von Martens 1860) ** ''Megalophaedusa martensi tinctilabris'' (Pilsbry 1902) * ''Megalophaedusa spelaeonis'' (Kuroda & Minato, 1975) * ''Megalophaedusa vasta Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Hickanis Mikawa
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * '' Megalophaedusa concrescens'' (Pilsbry 1905) * '' Megalophaedusa hickanis mikawa'' Pilsbry 1905 * ''Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi'' (Von Martens 1860) ** ''Megalophaedusa martensi tinctilabris'' (Pilsbry 1902) * ''Megalophaedusa spelaeonis'' (Kuroda & Minato, 1975) * ''Megalophaedusa vasta Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Megalophaedusa Concrescens
Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03 This genus occurs in Japan. Species Species within the genus ''Megalophaedusa'' include * '' Megalophaedusa concrescens'' (Pilsbry 1905) * ''Megalophaedusa hickanis mikawa'' Pilsbry 1905 * ''Megalophaedusa hiraseana'' (Pilsbry 1901) * ''Megalophaedusa martensi'' (Von Martens 1860) ** ''Megalophaedusa martensi tinctilabris'' (Pilsbry 1902) * ''Megalophaedusa spelaeonis'' (Kuroda & Minato, 1975) * ''Megalophaedusa vasta Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clausilium
The clausilium is a calcareous anatomical structure which is found in one group of air-breathing land snails: terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails. The clausilium is one part of the clausilial apparatus. The presence of a clausilium is the reason for the common name "door snails", because all the snails in this family have a roughly spoon-shaped "door" or clausilium, which can slide down to close the aperture of the shell. However, this structure is emphatically not the same thing as an operculum, which is virtually non-existent in pulmonate snails, only occurring in the Amphibolidae. The exact shape of the clausilium varies from genus to genus: it can be tongue-shaped, spoon-shaped or spatula-shaped. The wide flat end of the clausilium can close the aperture of the snail shell, and thus protect the soft parts against predation by animals such as carnivorous beetle larvae. The narrow end of the clausilium slides in a groove, which is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. There are many thousands of species of sea snails and slugs, as well as freshwater snails, freshwater limpets, and land snails and slugs. The class Gastropoda contains a vast total of named species, second only to the insects in overall number. The fossil history of this class goes back to the Late Cambrian. , 721 families of gastropods are known, of which 245 are extinct and appear only in the fossil record, while 476 are currently extant with or without a fossil record. Gastropoda (previously known as univalves and sometimes spelled "Gasteropoda") are a major part of the phylum Mollusca, and are the most highly diversified class in the phylum, with 65,000 to 80,000 living snail and slug species. The anatomy, behavior, feeding, and re ... [...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] |
