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Partula Thetis
Partula thetis
Partula thetis
is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Palau. References[edit]^ O'Foighil, D. & Rundell, R.J. (2012). "Partula thetis". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 February 2014. Taxon identifiersWd: Q2704396 GBIF: 5783047 iNaturalist: 108916 NCBI: 213572This Partulidae-related article is a stub. You can help by expanding it.v t eThis article about Palau
Palau
is a stub
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Conservation Status
The conservation status of a group of organisms (for instance, a species) indicates whether the group still exists and how likely the group is to become extinct in the near future
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Endemism
Endemism
Endemism
is the ecological state of a species being unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. The extreme opposite of endemism is cosmopolitan distribution. An alternative term for a species that is endemic is precinctive, which applies to species (and subspecific categories) that are restricted to a defined geographical area.Contents1 Etymology 2 Overview 3 Threats to highly endemistic regions 4 Notes 5 References 6 Further reading 7 External linksEtymology[edit] The word endemic is from New Latin
New Latin
endēmicus, from Greek ενδήμος, endēmos, "native". Endēmos is formed of en meaning "in", and dēmos meaning "the people".[1] The term "precinctive" has been suggested by some scientists,[a] and was first used in botany by MacCaughey in 1917
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Land Snail
A land snail is any of the numerous species of snail that live on land, as opposed to sea snails and freshwater snails. Land snail
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 freshwater, and others are relatively amphibious between land and saltwater. The majority of land snails are pulmonates. That is, they have a lung and breathe air. A minority however belong to much more ancient lineages where their anatomy includes a gill and an operculum. Many of these operculate land snails live in habitats or microhabitats that are sometimes (or often) damp or wet, such as for example in moss. Land snails have a strong muscular foot; they use mucus to enable them to crawl over rough surfaces and in order to keep their soft bodies from drying out
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Terrestrial Animal
Terrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, spiders), as compared with aquatic animals, which live predominantly or entirely in the water (e.g., fish, lobsters, octopuses), or amphibians, which rely on a combination of aquatic and terrestrial habitats (e.g., frogs, or newts). Terrestrial invertebrates include ants, flies, crickets, grasshoppers and spiders.Contents1 Terrestrial Classes 2 Taxonomy2.1 Difficulties3 Terrestrialization 4 Terrestrial gastropods 5 See also 6 Further reading 7 ReferencesTerrestrial Classes[edit] The term terrestrial is typically applied for species that live primarily on the ground, in contrast to arboreal species, which live primarily in trees. There are other less common terms that apply to specific groups of terrestrial animals:Saxicolous are rock dwelling creatures
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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
Pulmonata
as traditionally defined was found to be polyphyletic in a molecular study per Jörger et al., dating from 2010.[1] Pulmonata
Pulmonata
are known from the Carboniferous
Carboniferous
Period to the present.[2] 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
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Gastropod
See text.Diversity65,000 to 80,000 species[3][4]The Gastropoda
Gastropoda
or gastropods, more commonly known as snails and slugs, are a large taxonomic class within the phylum Mollusca. The class Gastropoda
Gastropoda
includes snails and slugs of all kinds and all sizes from microscopic to Achatina achatina, the largest known land gastropod. There are many thousands of species of sea snails and sea slugs, as well as freshwater snails, freshwater limpets, land snails and land slugs. The class Gastropoda
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
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Mollusk
See text.Diversity[1]85,000 recognized living species. Cornu aspersum
Cornu aspersum
(formerly Helix aspersa) – a common land snail Mollusca
Mollusca
is a large phylum of invertebrate animals whose members are known as molluscs or mollusks[Note 1] (/ˈmɒləsk/). Around 85,000 extant species of molluscs are recognized.[2] The number of fossil species is estimated between 60,000 and 100,000 additional species.[3] 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 in anatomical structure, but also in behaviour and in habitat. The phylum is typically divided into 9 or 10 taxonomic classes, of which two are entirely extinct
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Family (biology)
In biological classification, family (Latin: familia, plural familiae) is one of the eight major taxonomic ranks; it is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks above the rank of genus. In vernacular usage, a family may be named after one of its common members; for example, walnuts and hickory trees belong to the family Juglandaceae, commonly known as the walnut family. What does or does not belong to a family—or whether 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, or any taxa. Taxonomists often take different positions about descriptions of taxa, and there may be no broad consensus across the scientific community for some time
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Palau
Coordinates: 7°30′N 134°30′E / 7.500°N 134.500°E / 7.500; 134.500 Republic
Republic
of Palau Beluu er a Belau (Palauan)FlagSealAnthem: Belau rekid Our PalauStatus Sovereign state
Sovereign state
in free associat
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Species
In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition. Scientists and conservationists need a species definition which allows them to work, regardless of the theoretical difficulties. If as Linnaeus
Linnaeus
thought, species were fixed, there would be no problem, but evolutionary processes cause species to change continually, and to grade into one another. A species is often defined as the largest group of organisms in which two individuals can produce fertile offspring, typically by sexual reproduction. While this definition is often adequate, when looked at more closely it is problematic. For example, with hybridisation, in a species complex of hundreds of similar microspecies, or in a ring species, the boundaries between closely related species become unclear
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International Union For Conservation Of Nature
The International Union for Conservation of Nature
International Union for Conservation of Nature
(IUCN; officially International Union for Conservation of Nature
International Union for Conservation of Nature
and Natural Resources[2]) is an international organization working in the field of nature conservation and sustainable use of natural resources. It is involved in data gathering and analysis, research, field projects, advocacy, and education. IUCN's mission is to "influence, encourage and assist societies throughout the world to conserve nature and to ensure that any use of natural resources is equitable and ecologically sustainable". Over the past decades, IUCN has widened its focus beyond conservation ecology and now incorporates issues related to sustainable development in its projects. Unlike many other international environmental organisations, IUCN does not itself aim to mobilize the public in support of nature conservation
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Wikidata
Wikidata
Wikidata
is a collaboratively edited knowledge base hosted by the Wikimedia Foundation. It is intended to provide a common source of data which can be used by Wikimedia projects such as,[4][5] and by anyone else, under a public domain license. This is similar to the way Wikimedia Commons
Wikimedia Commons
provides storage for media files and access to those files for all Wikimedia projects, and which are also freely available for reuse. Wikidata
Wikidata
is powered by the software Wikibase.[6]Contents1 Concepts 2 Development history2.1 Phase 1 2.2 Phase 2 2.3 Phase 33 Reception 4 Logo 5 See also 6 References 7 Further reading 8 External linksConcepts[edit]ScreenshotsThree statements from Wikidata's item on the planet Mars
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Global Biodiversity Information Facility
The Global Biodiversity
Biodiversity
Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet
Internet
using web services. The data are provided by many institutions from around the world; GBIF's information architecture makes these data accessible and searchable through a single portal. Data available through the GBIF portal are primarily distribution data on plants, animals, fungi, and microbes for the world, and scientific names data. The mission of the Global Biodiversity
Biodiversity
information Facility (GBIF) is to facilitate free and open access to biodiversity data worldwide to underpin sustainable development
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INaturalist
iNaturalist is a citizen science project and online social network of naturalists, citizen scientists, and biologists built on the concept of mapping and sharing observations of biodiversity across the globe.[2] Observations may be added via the website or from a mobile application.[3][4] The observations provide valuable open data to a variety of scientific research projects, museums, botanic gardens, parks, and other organizations.[5][6][7] Users of iNaturalist have contributed over eight million observations[8] since its founding in 2008, and the project has been called "a standard-bearer for natural history mobile applications."[9]Contents1 History 2 Participation 3 See also 4 References 5 External linksHistory[edit] iNaturalist.org began in 2008 as a UC Berkeley School of Information Master's final project of Nate Agrin, Jessica Kline, and Ken-ichi Ueda.[1] Nate Agrin and Ken-ichi Ueda continued work on the site with Sean McGregor, a web developer
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National Center For Biotechnology Information
The National Center for Biotechnology
Biotechnology
Information (NCBI) is part of the United States National Library of Medicine
United States National Library of Medicine
(NLM), a branch of the National Institutes of Health
National Institutes of Health
(NIH). The NCBI is located in Bethesda, Maryland and was founded in 1988 through legislation sponsored by Senator Claude Pepper. The NCBI houses a series of databases relevant to biotechnology and biomedicine and is an important resource for bioinformatics tools and services. Major databases include GenBank
GenBank
for DNA
DNA
sequences and PubMed, a bibliographic database for the biomedical literature. Other databases include the NCBI Epigenomics database
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