Monotygma Elata
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Monotygma Elata
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † ''Monotygma marcusseni'' *''Monotygma metula'' *''Monotygma pareximia'' *''Monotygma ...
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Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. 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 of an ancestral taxon are grouped together (i.e. Phylogeneti ...
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Monotygma Ivolasi
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † '' Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † '' Monotygma marcusseni'' *'' Monotygma metula'' *'' Monotygma pareximia'' *'' Mono ...
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Superseded Combination
In taxonomy, a superseded combination is a notice of change to the binomial nomenclature of the accepted name of a species. This happens when a species is moved to a new genus after the initial species description. The original name is called a superseded combination, and the new name is called the new combination, or . Some but not all superseded combinations are basionyms, and some basionyms are not superseded combinations. In zoological nomenclature, the superseded combination is not the same as a synonym and technically should not be called one. If the species is moved again to a third genus, both of the older names are considered superseded combinations. The original name is the superseded original combination and the second name is the superseded recombination. If the species were moved back to a previous genus, the International Commission on Zoological Nomenclature would not consider the current name to be a new combination. The specific epithet is kept in all these ...
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Leucotina Casta
''Leucotina casta'' is a species of gastropods belonging to the family Amathinidae. MolluscaBase eds. (2024). MolluscaBase. Leucotina casta (A. Adams, 1853). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=564994 on 2024-03-29 Description (Described as Acteon austrinus) The small, thin shell is ovate. It is strongly striated, with a high conical spire, a blunt tip, and a tumid body whorl. Sculpture : Longitudinals: the lines of growth are very faint and somewhat markedly oblique. Spirals: the whole surface is scored with strong equal furrows which are about half the breadth of the interstices. These furrow are not stippled, but are delicately and regularly cut across on the lines of growth by fine threads. There are about 20 of these furrows on the body and about 9 on the penultimate whorl. The colour of the shell is porcellanous, with a glossy surface. The rather high spire is conical and subscalar. The protoc ...
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Monotygma Watsoni
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † '' Monotygma marcusseni'' *'' Monotygma metula'' *'' Monotygma pareximia'' *'' Monot ...
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Monotygma Suturalis
''Monotygma suturalis'' is a species of sea snail, a marine gastropod mollusk in the family 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 micromol ..., the pyrams and their allies. References Pyramidellidae Gastropods described in 1853 {{Pyramidellidae-stub ...
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Monotygma Striata
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † '' Monotygma marcusseni'' *'' Monotygma metula'' *'' Monotygma pareximia'' *'' Monot ...
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Monotygma Sinuata
''Monotygma'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *''Monotygma acuminata'' *''Monotygma amoena'' *''Monotygma caelata'' *''Monotygma elata'' *''Monotygma enosima'' *''Monotygma eximia'' *''Monotygma fulva'' *''Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *''Monotygma lauta'' * † ''Monotygma marcusseni'' *''Monotygma metula'' *''Monotygma p ...
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Monotygma Punctigera
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † '' Monotygma marcusseni'' *'' Monotygma metula'' *'' Monotygma pareximia'' *'' Monot ...
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Monotygma Pareximia
''Monotygma pareximia'' is a species of sea snail, a marine gastropod mollusk in the family 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 micromol ..., the pyrams and their allies. References * Nomura, S. (1936). Pyramidellidae from Siogama Bay, Northeast Honsyu, Japan. Saito Ho-On Kai Museum Research Bulletin. 10: 1-108, pls. 1-12 * Okutani T., ed. (2000) Marine mollusks in Japan. Tokai University Press. 1173 pp. Pyramidellidae Gastropods described in 1936 {{Pyramidellidae-stub ...
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Monotygma Metula
''Monotygma'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. The status of this genus was for a long time confused, but the situation was clarified in a review by van Aartsen (1986). 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 The following species are recognised in the genus ''Monotygma'': *'' Monotygma acuminata'' *'' Monotygma amoena'' *'' Monotygma caelata'' *'' Monotygma elata'' *'' Monotygma enosima'' *'' Monotygma eximia'' *'' Monotygma fulva'' *'' Monotygma granulata'' * † ''Monotygma ivolasi'' *''Monotygma julii'' *'' Monotygma lauta'' * † '' Monotygma marcusseni'' *'' Monotygma metula'' *''Monotygma pareximia'' *''Monotyg ...
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