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Spiralinella Muinaiensis
''Spiralinella'' is a genus of very small sea snails, pyramidellid gastropod mollusks, or micromollusks.Gofas, S.; Rosenberg, G. (2015). Spiralinella Chaster, 1901. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=743286 on 2015-04-06 Nomenclature Both this genus and its type species have had a very complicated synonymy. The status of the generic name ''Spiralinella'' in contrast to the names ''Partulida'' and ''Spiralina'' was clarified by Corgan (1973), and the nomenclatorical problems around the type species were discussed by van Aartsen & Gianuzzi-Savelli (1991). Life habits Little is known about the biology of the members of this genus. As is true of most members of the Pyramidellidae ''sensu lato'', they are most likely to be ectoparasites. Species Species within the genus ''Spiralinella'' include: * '' Spiralinella incerta'' (Milaschewich, 1916) * '' Spiralinella marthinae'' (Nofroni & Schander, 1994) * '' Spira ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), 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 taxonomy (biology), 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell. Definition Determining whether some gastropods should be called sea snails is not always easy. Some species that live in brackish water (such as certain neritids) can be listed as either freshwater snails or marine snails, and some species that live at or just above the high tide level (for example species in the genus '' Truncatella'') are sometimes considered to be sea snails and sometimes listed as land snails. Anatomy Sea snails are a very large group of animals and a very diverse one. Most snails that live in salt water respire using a gill or gills; a few species, though, have a lung, are intertidal, and are active only at low tide when they can move around in the air. These air-breathing species includ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyramidellidae
Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromolluscs. The pyram family is distributed worldwide with more than 6,000 named species in more than 350 nominal genera and subgenera. This family of micromollusks has been little studied and the phylogenetic relationships within the family are not well worked out. There is an absence of a general consensus regarding which species belong to a specific genus or subgenus, contributing to much confusion. Schander (1999) names more than 300 supraspecific names. As there has been no serious generic revision of the genera worldwide, generic polyphyly can be expected to be rampant throughout the family. However, the family itself is deemed monophyletic. However a study in 2011 seems to indicate that this family is deeply nested within the Pulmonata ... [...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] |
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] |
Micromollusk
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sensu Lato
''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular concept, but it also appears in expressions that indicate the convention or context of the usage. Common qualifiers ''Sensu'' is the ablative case of the noun ''sensus'', here meaning "sense". It is often accompanied by an adjective (in the same case). Three such phrases are: *''sensu stricto'' – "in the strict sense", abbreviation ''s.s.'' or ''s.str.''; *''sensu lato'' – "in the broad sense", abbreviation ''s.l.''; *''sensu amplo'' – "in a relaxed, generous (or 'ample') sense", a similar meaning to ''sensu lato''. Søren Kierkegaard uses the phrase ''sensu eminenti'' to mean "in the pre-eminent r most important or significantsense". When appropriate, comparative and superlative adjectives may also be used to convey the meaning ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ectoparasite
Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has characterised parasites as "predators that eat prey in units of less than one". Parasites include single-celled protozoans such as the agents of malaria, sleeping sickness, and amoebic dysentery; animals such as hookworms, lice, mosquitoes, and vampire bats; fungi such as honey fungus and the agents of ringworm; and plants such as mistletoe, dodder, and the broomrapes. There are six major parasitic strategies of exploitation of animal hosts, namely parasitic castration, directly transmitted parasitism (by contact), trophicallytransmitted parasitism (by being eaten), vector-transmitted parasitism, parasitoidism, and micropredation. One major axis of classification concerns invasiveness: an endoparasite lives inside the host's body; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiralinella Incerta
''Spiralinella incerta'' is a rather widely distributed species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Terlizzi, A.; Scuderi, D.; Fraschetti, S.; Anderson, M.J. (2005). Quantifying effects of pollution on biodiversity: a case study of highly diverse molluscan assemblages in the Mediterranean. Mar. Biol. 148(2): 293-305 Taxonomy Following Giannuzzi-Savelli et al. (2014) for generic allocation, but taking into account that ''Spiralinella'' is the valid generic name, not ''Partulida'' Schaufuss, 1869 (unavailable). Distribution This marine species occurs in the following locations: * Angola * Canary Islands * Cape Verde * European waters (ERMS scope) * Greek Exclusive Economic Zone * Mediterranean Sea * Portuguese Exclusive Economic Zone * Principe Archipelagos * São Tomé * South West Coast of Apulia * Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiralinella Marthinae
''Spiralinella marthinae'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Gofas, S. (2015). Spiralinella marthinae (Nofroni & Schander, 1994). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=836043 on 2015-04-06Peñas A. & Rolán E. (1998). La familia Pyramidellidae Gray, 1840 (Mollusca, Gastropoda) en África Occidental. 3. El género Chrysallida s.l. Iberus, suppl. 4 : 1-73. Taxonomy Following Giannuzzi-Savelli et al. (2014) for generic allocation, but taking into account that ''Spiralinella'' is the valid generic name, not ''Partulida'' Schaufuss, 1869 (unavailable) Distribution This marine species occurs in the following locations: * European waters (ERMS scope) * Portuguese Exclusive Economic Zone * Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spok ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiralinella Muinaiensis
''Spiralinella'' is a genus of very small sea snails, pyramidellid gastropod mollusks, or micromollusks.Gofas, S.; Rosenberg, G. (2015). Spiralinella Chaster, 1901. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=743286 on 2015-04-06 Nomenclature Both this genus and its type species have had a very complicated synonymy. The status of the generic name ''Spiralinella'' in contrast to the names ''Partulida'' and ''Spiralina'' was clarified by Corgan (1973), and the nomenclatorical problems around the type species were discussed by van Aartsen & Gianuzzi-Savelli (1991). Life habits Little is known about the biology of the members of this genus. As is true of most members of the Pyramidellidae ''sensu lato'', they are most likely to be ectoparasites. Species Species within the genus ''Spiralinella'' include: * '' Spiralinella incerta'' (Milaschewich, 1916) * '' Spiralinella marthinae'' (Nofroni & Schander, 1994) * '' Spira ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiralinella Spiralis
''Spiralinella spiralis'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Gofas, S. (2015). Spiralinella spiralis (Montagu, 1803). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=836020 on 2015-04-06Peñas A. & Rolán E. (1998). La familia Pyramidellidae Gray, 1840 (Mollusca, Gastropoda) en África Occidental. 3. El género Chrysallida s.l. Iberus, suppl. 4 : 1-73. Nomenclature Høisæter (2014) advocated using the well-known specific name spiralis (Montagu, 1803) for this species, although ''Turbo spiralis'' Montagu, 1803 is a primary homonym of ''Turbo spiralis'' Poiret, 1801. The latter name could meet the conditions for being declared nomen oblitum but so far Høisæter (2014) did not provide the citations required by ICZN Art. 23.9 to make the declaration effective. Distribution This marine species occurs in the following locations: * Belgian Exclusiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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