Circulus (genus)
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Circulus (genus)
Circulus is a genus of very small and minute sea snails with an operculum, marine gastropod mollusks in the family Vitrinellidae. MolluscaBase eds. (2020). MolluscaBase. Circulus Jeffreys, 1865. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=137626 on 2020-08-15 Species According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus ''Circulus'' WoRMS : Circulus
accessed : 11 July 2011 * '' Circulus abruptus'' Rubio & Rolán, 2022 * '' Circulus acuteliratus'' (Thiele, 1925)
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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 ...
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Circulus Asper
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

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Circulus Carmensalasae
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

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Circulus Carinamagna
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

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Circulus Caledonicus
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

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Circulus Cachoi
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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Circulus Boucheti
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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Circulus Bonneti
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

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Circulus Biporcatus
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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Circulus Binodular
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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Circulus Bicarinatus
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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Circulus Basislevis
Circulus may refer to: * ''Circulus'' (album), 1970, by Chick Corea *Circulus (band), a British psychedelic folk and progressive rock band * ''Circulus'' (gastropod), a genus of sea snails *Circulus (theory), a socioeconomics doctrine *Circulus (zoology) A circulus is a rarely occurring reptilian social group where there is interaction and personal exchange between individuals. Members will often protect and defend young, even if not of direct genetic linkage. ''Circulus'' is a Latin based term; ..., a type of reptilian social group See also

* {{disambiguation ...
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