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Powelliphanta
''Powelliphanta'' is a genus of large, air-breathing land snails, pulmonate gastropoda, gastropods in the family Rhytididae, found only in New Zealand. They are carnivorous, eating invertebrata, invertebrates, mostly native earthworms. Often restricted to very small areas of moist forest, they are prey to introduced mammalian predators, and many species are threatened or endangered. Taxonomy ''Powelliphanta'' was originally described by A. C. O'Connor in 1945 as a subgenus of the kauri snails, ''Paryphanta.'' They were named "in recognition of the great service rendered to the study of the family by Mr Arthur William Baden Powell, A. W. B. Powell", and from their similarity to ''Paryphanta''. In 1977 Climo raised ''Powelliphanta'' to genus rank, retaining just two species in ''Paryphanta''. There are at least 21 species and 51 subspecies within the genus. The relationship between the species is complex, and it has been suggested that the group ''Powelliphanta gilliesi-trav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Hochstetteri Hochstetteri DOC 2009
''Powelliphanta'' is a genus of large, air-breathing land snails, pulmonate gastropoda, gastropods in the family Rhytididae, found only in New Zealand. They are carnivorous, eating invertebrata, invertebrates, mostly native earthworms. Often restricted to very small areas of moist forest, they are prey to introduced mammalian predators, and many species are threatened or endangered. Taxonomy ''Powelliphanta'' was originally described by A. C. O'Connor in 1945 as a subgenus of the kauri snails, ''Paryphanta.'' They were named "in recognition of the great service rendered to the study of the family by Mr Arthur William Baden Powell, A. W. B. Powell", and from their similarity to ''Paryphanta''. In 1977 Climo raised ''Powelliphanta'' to genus rank, retaining just two species in ''Paryphanta''. There are at least 21 species and 51 subspecies within the genus. The relationship between the species is complex, and it has been suggested that the group ''Powelliphanta gilliesi-trav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Annectens DOC 2007
''Powelliphanta'' is a genus of large, air-breathing land snails, pulmonate gastropods in the family Rhytididae, found only in New Zealand. They are carnivorous, eating invertebrates, mostly native earthworms. Often restricted to very small areas of moist forest, they are prey to introduced mammalian predators, and many species are threatened or endangered. Taxonomy ''Powelliphanta'' was originally described by A. C. O'Connor in 1945 as a subgenus of the kauri snails, '' Paryphanta.'' They were named "in recognition of the great service rendered to the study of the family by Mr A. W. B. Powell", and from their similarity to ''Paryphanta''. In 1977 Climo raised ''Powelliphanta'' to genus rank, retaining just two species in ''Paryphanta''. There are at least 21 species and 51 subspecies within the genus. The relationship between the species is complex, and it has been suggested that the group ''Powelliphanta gilliesi-traversi-hochstetteri-rossiana-lignaria-superba'' forms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Marchanti DOC 1986
''Powelliphanta'' is a genus of large, air-breathing land snails, pulmonate gastropods in the family Rhytididae, found only in New Zealand. They are carnivorous, eating invertebrates, mostly native earthworms. Often restricted to very small areas of moist forest, they are prey to introduced mammalian predators, and many species are threatened or endangered. Taxonomy ''Powelliphanta'' was originally described by A. C. O'Connor in 1945 as a subgenus of the kauri snails, '' Paryphanta.'' They were named "in recognition of the great service rendered to the study of the family by Mr A. W. B. Powell", and from their similarity to ''Paryphanta''. In 1977 Climo raised ''Powelliphanta'' to genus rank, retaining just two species in ''Paryphanta''. There are at least 21 species and 51 subspecies within the genus. The relationship between the species is complex, and it has been suggested that the group ''Powelliphanta gilliesi-traversi-hochstetteri-rossiana-lignaria-superba'' forms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Lignaria Johnstoni DOC 2003
''Powelliphanta'' is a genus of large, air-breathing land snails, pulmonate gastropods in the family Rhytididae, found only in New Zealand. They are carnivorous, eating invertebrates, mostly native earthworms. Often restricted to very small areas of moist forest, they are prey to introduced mammalian predators, and many species are threatened or endangered. Taxonomy ''Powelliphanta'' was originally described by A. C. O'Connor in 1945 as a subgenus of the kauri snails, '' Paryphanta.'' They were named "in recognition of the great service rendered to the study of the family by Mr A. W. B. Powell", and from their similarity to ''Paryphanta''. In 1977 Climo raised ''Powelliphanta'' to genus rank, retaining just two species in ''Paryphanta''. There are at least 21 species and 51 subspecies within the genus. The relationship between the species is complex, and it has been suggested that the group ''Powelliphanta gilliesi-traversi-hochstetteri-rossiana-lignaria-superba'' forms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Hochstetteri
''Powelliphanta hochstetteri'', known as one of the amber snails, is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. Distribution This species is endemic to the Marlborough and Nelson provinces of the South Island of New Zealand. There are five subspecies: Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 * '' Powelliphanta hochstetteri anatokiensis'' Powell, 1938 * '' Powelliphanta hochstetteri bicolor'' Powell, 1930 * '' Powelliphanta hochstetteri consobrina'' Powell, 1936 * ''Powelliphanta hochstetteri hochstetteri'' ( Pfeiffer, 1862) * '' Powelliphanta hochstetteri obscura'' Beutler, 1901 Description ''Powelliphanta hochstetteri'' was originally described under the name ''Helix hochstetteri '' by German malacologist Ludwig Karl Georg Pfeiffer in 1862. He described it according to the shell only, which geologist German Ferdinand von Hochstetter had brough ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhytididae
Rhytididae is a taxonomic family of medium-sized predatory air-breathing land snails, carnivorous terrestrial pulmonate gastropod molluscs in the superfamily Rhytidoidea. MolluscaBase eds. (2020). MolluscaBase. Rhytididae Pilsbry, 1893. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=816183 on 2020-10-22 This family has two subfamilies: * Chlamydephorinae Cockerell, 1935 (1903) * Rhytidinae Pilsbry, 1893 Anatomy In this family, the number of haploid chromosomes lies between 26 and 35 (according to the values in this table).Barker G. M. (2001). Gastropods on Land: ''Phylogeny, Diversity and Adaptive Morphology''. in Barker G. M. (ed.): The biology of terrestrial molluscs'. CABI Publishing, Oxon, UK, 2001, . 1-146, cited pages: 139 and 142. Distribution This family of land snails has a range which extends from South Africa to New Guinea, some of the higher South Pacific islands, New Zealand Powell A. W. B. (1979). ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Powelliphanta Hochstetteri Bicolor
''Powelliphanta hochstetteri bicolor'', known as one of the amber snails, is a subspecies of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. Distribution This species occurs in New Zealand Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 Life cycle The shape of the eggs is oval, and they are usually not constant in their dimensions, on average they are 10.75 × 9 mm. O'Connor A. C. (June) 1945. ''Notes on the Eggs of New Zealand Paryphantidae, With Description of a New Subgenus.'' Transactions of the Royal Society of New Zealand, volume 5, 1945-46, page5457. Conservation status ''Powelliphanta hochstetteri bicolor'' is classified by the New Zealand Department of Conservation The Department of Conservation (DOC; Māori: ''Te Papa Atawhai'') is the public service department of New Zealand charged with the conservation of New Zealand's natural and historical heritage. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Non-marine Molluscs Of New Zealand
Non-marine molluscs of New Zealand include gastropods, such as land snails, and freshwater molluscs (or shellfish), such as freshwater mussels. Among the best known are the large native forest snails such as the ''Paryphanta'' (kauri snails) and ''Powelliphanta''. Systematic list Freshwater gastropods Tateidae * '' Catapyrgus jamyi'' Verhaegen & Haase, 2021 * '' Catapyrgus sororius'' Haase, 2008 * '' Obtusopyrgus farri'' Verhaegen & Haase, 2021 * '' Opacuincola gretathunbergae'' Verhaegen & Haase, 2021 * '' Opacuincola lisannea'' Verhaegen & Haase, 2021 * '' Opacuincola mete'' Haase, 2008 with the subspecies ''O. mete kahurangi'' Verhaegen & Haase, 2021 Latiidae - only one genus Latia is endemic to the North Island * ''Latia climoi'' Starobogatov, 1986 - type species * '' Latia lateralis'' (Gould, 1852) * ''Latia neritoides'' Gray, 1850 Lymnaeidae Planorbidae * ''Planorbis kahuica'' Finlay & Laws, 1931 Land gastropods Hydrocenidae * ''Omphalorissa purchasi'' (Pfeiff ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paryphanta Busbyi
''Paryphanta busbyi'' is a species of large predatory land snail, a terrestrial pulmonate gastropod mollusk in the family Rhytididae. Distribution The distribution of ''Paryphanta busbyi'' includes the Northern parts of North Island, New Zealand: Kaitaia, Hokianga, Mangōnui, Bay of Islands, Otonga East, Mania Hill, Whangārei, Brynderwyn Range, Hen Island, Woodcocks and Warkworth, which is its southern native distribution. Localitions with introduced distribution include Little Huia in Waitākere Ranges, Waiuku in Āwhitu Peninsula, and Kaimai Ranges. Its distribution is coincident in range with the kauri forest. The type locality is New Zealand. The type specimen is stored in Natural History Museum, London. Shell description The shell is large, broadly umbilicated, depressed and subdiscoidal. The shell is opaque and shining. The colour is deep green, usually with some radial streaks of blackish-green. There is a sculpture on the nucleus containing oblique and arc ... [...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] |
Ring Species
In biology, a ring species is a connected series of neighbouring populations, each of which interbreeds with closely sited related populations, but for which there exist at least two "end" populations in the series, which are too distantly related to interbreed, though there is a potential gene flow between each "linked" population and the next. Such non-breeding, though genetically connected, "end" populations may co-exist in the same region ( sympatry) thus closing a "ring". The German term , meaning a circle of races, is also used. Ring species represent speciation and have been cited as evidence of evolution. They illustrate what happens over time as populations genetically diverge, specifically because they represent, in living populations, what normally happens over time between long-deceased ancestor populations and living populations, in which the intermediates have become extinct. The evolutionary biologist Richard Dawkins remarks that ring species "are only showing us ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthur William Baden Powell
Arthur William Baden Powell (4 April 1901 – 1 July 1987) was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the 20th century. He was known to his friends and family by his third name, "Baden". Biography Early life The name Baden had been a given name in a Powell family since 1731, when Susannah Powell née Thistlethwayte (1696–1762) gave to her child (1731–1792) the maiden name of her mother, Susannah Baden (1663–1692). The name Baden, particularly when associated with the surname Powell, became famous in 1900–1901, the year Arthur William Baden Powell was born, because of the siege of Mafeking, the most famous British action in the Second Boer War, which turned the British commander of the besieged, Robert Baden-Powell, into a national hero. Throughout the British Empire, babies were named after him. No family connection has yet been established between Arthur W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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