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Ustronia
''Ustronia'' is a genus of land snails with an operculum, terrestrial gastropod 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 e ...s in the family Helicinidae. Species Species within the genus ''Ustronia'' include: * '' Ustronia acuminata'' (Velazquez in Poey, 1852)"Mollusca"
. Diversidad Biológica Cubana, accessed 23 March 2011.
* '' Ustronia sloanei'' (d’Orbigny, 1842)


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Ustronia Sloanei
''Ustronia sloanei'' is a species of an operculate land snail, terrestrial gastropod mollusk in the family Helicinidae. Distribution This species lives in Cuba."Mollusca"
. Diversidad Biológica Cubana, accessed 23 March 2011.


Ecology

''Ustronia sloanei'' is a rock dwelling species.Rios O. M. & Quinta M. H. (2010). "Larval Feeding Habits of the Cuban Endemic Firefly ''Alecton discoidalis'' Laporte (Coleoptera: Lampyridae)". '' Psyche'' 2010, Article ID 149879, 5 pages, . Predators of ''Ustronia sloanei'' include larvae of firefly bug ''

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Alecton Discoidalis
''Alecton discoidalis'' is a species of firefly in the beetle family Lampyridae, commonly known as the Cuban endemic firefly. The larvae of this species are predators on both pulmonate and operculate land snails. ''Alecton discoidalis'' is the type species of the genus ''Alecton''. Distribution ''Alecton'' is the only genus of firefly endemic to Cuba and ''A. discoidalis'' is the best known of the four species in that genus. It is found in the western half of the country. The type locality was described simply as "the island of Cuba". Description ''Alecton discoidalis'' was discovered and described (based on the larva only) by the French naturalist Francis de Laporte de Castelnau in 1833. His type description in French reads as follows: This translates as: Yellow, with the tips of the antennae and the elytra black, with a yellow border which starts a third of the way along the elytra. Biology The fireflies of Cuba have not been extensively studied. Research was underta ...
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Helicinidae
Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea. These snails are not at all closely related to the air-breathing land snails, despite a superficial similarity of the shells. The name "Helicinidae" immediately reminds most people of "Helicidae", the most popular group of land snails including e.g. Helix pomatia, but the important two letters "ni" only from the Latin diminutive of the latter name alluding to superficial similarities of otherwise completely different things. Distribution These snails are found in tropical and subtropical areas but they have an odd distribution: they are restricted to the Caribbean islands and some Indo-Pacific and Pacific islands, as well as the edge of the Asian and Australian continents. Some species are found in the southern United States, from Louisiana to Florida; others in Central and South America. Taxonomy Helicinidae b ...
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Mollusca
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 g ...
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Gastropoda
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, a ...
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Neritimorpha
Neritimorpha is a taxonomic grouping, an unranked major clade of snails, gastropod mollusks. This grouping includes land snails, sea snails, slugs, some deepwater limpets, and also freshwater snails. Neritimorpha contains around 2,000 extant species. Some Neritimorphs are commonly kept as pets. This clade used to be known as the superorder Neritopsina. The clade Neritimorpha is, based on optimal phylogenetic analysis, deemed monophyletic. Etymology The clade’s name, Neritimorpha, is from the Ancient Greek νηρίτης (nērī́tēs 'Nerite') and μορφή (morphḗ 'form'). Geologic History and Evolution Neritimorpha has an extremely rich geologic history, going back to early Ordovician. This clade has been considered to be a leftover of early gastropod diversification. 1997 taxonomy According to the taxonomy of the Gastropoda (Ponder & Lindberg, 1997) Neritopsina is a gastropod superorder in the subclass Orthogastropoda. The superfamily Palaeotrochoidea is con ...
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Cycloneritimorpha
Cycloneritida (nerites and false-limpets) is an order of land snails, freshwater snails, and sea snails.MolluscaBase eds. (2020). MolluscaBase. Cycloneritida. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1054475 on 2020-08-21 These are gastropod molluscs within the subclass Neritimorpha. 14 of the families in the order are extant, and eight of the families are extinct. It was previously categorized as the clade Cycloneritimorpha. According to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), as well as the Cycloneritida, the subclass Neritimorpha also contains the (entirely fossil) clade Cyrtoneritimorpha, plus a number of other fossil families that are currently unassigned. The earliest evolutionary forms of Cycloneritimorpha show double visceral organs, double gills, and normally a double-chambered heart. Taxonomy The taxonomy of Cycloneritida is based on work by Kano et al. (2002) that recognizes 4 c ...
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Helicinoidea
Helicinoidea is a taxonomic superfamily of land snails that have an operculum. In other words, they are terrestrial operculate gastropod mollusks. They are in the superfamily Neritoidea and are quite closely related to the marine and freshwater nerites. Taxonomy The following families are within according to the taxonomy by Bouchet & Rocroi (2005): * family Helicinidae * † family Dawsonellidae * † family Deaniridae * family Neritiliidae * family Proserpinellidae Proserpinellidae is a Taxonomy (biology), taxonomic family (biology), family of land snails with an operculum (gastropod), operculum, terrestrial animal, terrestrial gastropod mollusks in the superfamily Helicinoidea (according to the Taxonomy o ... * family Proserpinidae References Gastropod superfamilies {{Neritimorpha-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 Symmetry in biology#Bilateral symmetry, bilaterally symmetric body plan. The Bilateria include the protostomes, containing animals such as nematodes, arthropods, flatworms, annelids and molluscs, and th ...
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Wilhelm Kobelt
Wilhelm Kobelt (20 February 1840 – 26 March 1916) was a German zoologist born in Alsfeld, Grand Duchy of Hesse. He specialized in the field of malacology. Kobelt is remembered for his work as curator of the Senckenberg Museum in Frankfurt am Main. Several species of mollusk contain his name, including ''Fusinus kobelti'' (Kobelt's spindle), '' Cymatium kobelti'' and '' Hyalinia kobelti''. '' Kobeltia'', a subgenus of ''Arion'' slugs, is named in honor of him. Selected publications * ''Archiv für Molluskenkunde'', 1868 - Archive of malacology. * ''Jahrbücher der Deutschen Malakozoologischen Gesellschaft'', 1874 - Yearbook of the German Malaco-zoology Society. * ''Illustrirtes conchylienbuch'', 1876 - Illustrated book of conchology. * ''Reiseerinnerungen aus Algerien und Tunis'', 1885 - Travel memoirs of Algeria and Tunis. * Prodromus faunae molluscorum testaceorum maria europaea inhabitantium, 1886. * ''Studien zur Zoogeographie'', 1897 - Zoogeographical studies. * ''Cyc ...
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Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. '' Panthera leo'' (lion) and '' Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. phylogenetic analysis should c ...
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