Westrapyrgus Slacksmithae
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Westrapyrgus Slacksmithae
''Westrapyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae. The genus is endemic to south Western Australia. It is the first hydrobiid genus to be described from this state. Morphologically, ''Westrapyrgus'' is most similar to the southeastern Australian hydrobiid genera ''Austropyrgus'' and ''Tatea''. Species The genus currently includes two recognised species: *''Westrapyrgus westralis'' Ponder, Clark & Miller, 1999 *''Westrapyrgus slacksmithae ''Westrapyrgus'' is a genus of minute freshwater snails with an operculum (gastropod), operculum, Aquatic animal, aquatic gastropod molluscs or micromolluscs in the family (biology), family Hydrobiidae. The genus is endemism, endemic to south We ...'' Ponder, Clark & Miller, 1999 References External links * * Hydrobiidae {{Hydrobiidae-stub ...
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Animalia
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, can reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of cells, the blastula, during embryonic development. Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a bilaterally symmetric body plan. The Bilateria include the protostomes, containing animals such as nematodes, arthropods, flatworms, annelids and molluscs, and the deuterostomes, containing the echinode ...
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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 ...
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Australian Faunal Directory
The Australian Faunal Directory (AFD) is an online catalogue of taxonomic and biological information on all animal species known to occur within Australia. It is a program of the Department of Climate Change, Energy, the Environment and Water of the Government of Australia. By May 12, 2021, the Australian Faunal Directory has collected information about 126,442 species and subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species .... It includes the data from the discontinued ''Zoological Catalogue of Australia'' and is regularly updated. Started in the 1980s, it set a goal to compile a "list of all Australian fauna including terrestrial vertebrates, ants and marine fauna" and create an "Australian biotaxonomic information system".''Commonwealth Record'', Volume 5, Issues 26-34, p. 1 ...
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Westrapyrgus Slacksmithae
''Westrapyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae. The genus is endemic to south Western Australia. It is the first hydrobiid genus to be described from this state. Morphologically, ''Westrapyrgus'' is most similar to the southeastern Australian hydrobiid genera ''Austropyrgus'' and ''Tatea''. Species The genus currently includes two recognised species: *''Westrapyrgus westralis'' Ponder, Clark & Miller, 1999 *''Westrapyrgus slacksmithae ''Westrapyrgus'' is a genus of minute freshwater snails with an operculum (gastropod), operculum, Aquatic animal, aquatic gastropod molluscs or micromolluscs in the family (biology), family Hydrobiidae. The genus is endemism, endemic to south We ...'' Ponder, Clark & Miller, 1999 References External links * * Hydrobiidae {{Hydrobiidae-stub ...
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Westrapyrgus Westralis
''Westrapyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae. The genus is endemic to south Western Australia. It is the first hydrobiid genus to be described from this state. Morphologically, ''Westrapyrgus'' is most similar to the southeastern Australian hydrobiid genera ''Austropyrgus'' and ''Tatea''. Species The genus currently includes two recognised species: *''Westrapyrgus westralis'' Ponder, Clark & Miller, 1999 *''Westrapyrgus slacksmithae ''Westrapyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae. The genus is endemic to south Western Australia. It is the first hydrobiid genus to be described ...'' Ponder, Clark & Miller, 1999 References External links * * Hydrobiidae {{Hydrobiidae-stub ...
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Tatea
''Premna'' is a genus of flowering plants in the mint family, Lamiaceae, first described for modern science in 1771. It is widespread through tropical and subtropical regions in Africa, southern Asia, northern Australia, and various islands in the Pacific and Indian Oceans. ;Species # '' Premna acuminata'' R.Br. - Australia, New Guinea # '' Premna acutata'' W.W.Sm. - southwestern China (Yunnan, Sichuan) # ''Premna alba'' H.J.Lam - Palau # '' Premna ambongensis'' Moldenke - Madagascar # '' Premna amplectens'' Wall. ex Schauer - Thailand, Myanmar # ''Premna angolensis'' Gürke - tropical Africa # '' Premna angustiflora'' H.J.Lam - Palau # ''Premna annulata'' H.R.Fletcher - Thailand, Laos, Vietnam # ''Premna aureolepidota'' Moldenke - Madagascar # ''Premna balakrishnanii'' A.Rajendran & P.Daniel - Tamil Nadu # ''Premna balansae'' Dop - Vietnam # ''Premna barbata'' Wall. ex Schauer - Indian Subcontinent, Myanmar # ''Premna bengalensis'' C.B.Clarke - Indian Subcontinent, Myanmar, Vie ...
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Austropyrgus
''Austropyrgus'' is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the Hydrobiidae family. ''Austropyrgus'' species are endemic to Australia, where they are found in virtually all freshwater habitats, from high mountain streams to isolated springs in the arid zone. Species With 76 recognized species, ''Austropyrgus'' is the largest genus of Australian freshwater molluscs and is the most widespread of the Australian freshwater ''Hydrobiidae'' genera. ''Austropyrgus'' species include: * ''Austropyrgus abercrombiensis'' Clark, Miller & Ponder, 2003 * ''Austropyrgus angasi'' (E. A. Smith, 1882) * ''Austropyrgus aslini'' Clark, Miller & Ponder, 2003 * ''Austropyrgus avius'' Clark, Miller & Ponder, 2003 * ''Austropyrgus buchanensis'' Clark, Miller & Ponder, 2003 * ''Austropyrgus bullerensis'' Clark, Miller & Ponder, 2003 * '' Austropyrgus bungoniensis'' Clark, Miller & Ponder, 2003 * ''Austropyrgus colensis'' Clark, Miller & Po ...
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Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of . It is the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. the state has 2.76 million inhabitants  percent of the national total. The vast majority (92 percent) live in the south-west corner; 79 percent of the population lives in the Perth area, leaving the remainder of the state sparsely populated. The first Europeans to visit Western Australia belonged to the Dutch Dirk Hartog expedition, who visited the Western Australian coast in 1616. The first permanent European colony of Western Australia occurred following the ...
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Endemism
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ...
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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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Micromollusc
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 of ...
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Mollusc
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 gastropods ...
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