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Information about Cirrina

Cirrina
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Stauroteuthis syrtensis

Stauroteuthis syrtensis
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Cephalopoda
Subclass:Coleoidea
Superorder:Octopodiformes
Order:Octopoda
Suborder:Cirrina
Grimpe, 1916 sensu Felley et al., 2001
Families
Opisthoteuthidae
Cirroteuthidae
Stauroteuthidae
Synonyms
  • Cirrata
    Grimpe, 1916
  • Cirroctopoda
    Young, 1989
Cirrina is a suborder of the order Octopoda. Cirrina octopuses have a small, internal shell and two fins on their head, while their sister suborder, the Incirrina has neither.

The suborder is named for small cilia-like strands on the arms of the octopus. There is a pair of cirri for each sucker. These are thought to play some role in feeding, perhaps by creating currents of water that help bring food closer to the beak.

Classification

External links

Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Mollusca
Linnaeus, 1758

Classes

Caudofoveata
Aplacophora
Polyplacophora
Monoplacophora
Bivalvia
Scaphopoda
Gastropoda
Cephalopoda
† Rostroconchia
† Helcionelloida
† ?Bellerophontida
The molluscs
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Cephalopoda
Cuvier, 1797

Orders

Subclass Nautiloidea
  • †Plectronocerida
  • †Ellesmerocerida
  • †Actinocerida
  • †Pseudorthocerida
  • †Endocerida
  • †Tarphycerida
  • †Oncocerida

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Coleoidea
Bather, 1888

Orders
  • †Belemnoidea
  • †Aulacocerida
  • †Belemnitida

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Octopodiformes
Young et al., 1998

Orders

Vampyromorphida
Octopoda

Octopodiformes is a superorder of the subclass Coleoidea. It comprises the octopuses and the vampire squid. All members of Octopodiformes have 8 arms.
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Octopoda
Leach, 1818

Suborders

†Pohlsepia (incertae sedis)
†Proteroctopus (incertae sedis)
†Palaeoctopus (incertae sedis)
Cirrina
Incirrina
Synonyms

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Felley civil parish is in the Ashfield district of Nottinghamshire, England, between Hucknall and Sutton-in-Ashfield. According to the 2001 census, the parish had a population of four. Since 1974 it has formed part of the local government district of Ashfield.
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family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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Opisthoteuthidae
Verrill, 1896

Genera
Cirroctopus
Grimpoteuthis
Luteuthis
Opisthoteuthis

Umbrella octopuses or (family Opisthoteuthidae) are a group of pelagic octopuses.
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Cirroteuthidae
Keferstein, 1866

Genera

Cirroteuthis
Cirrothauma

Species

  • Genus Cirroteuthis
  • Cirroteuthis muelleri
  • Genus Cirrothauma

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Stauroteuthidae
Grimpe, 1916

Genus: Stauroteuthis
Verrill, 1879

Species

Stauroteuthis gilchristi
Stauroteuthis syrtensis

Stauroteuthis
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In scientific nomenclature, synonyms are different scientific names used for a single taxon. Usage and terminology are different for zoology and botany.

Zoology

In zoological nomenclature, synonyms are different scientific names that pertain to the same taxon, for example
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Octopoda
Leach, 1818

Suborders

†Pohlsepia (incertae sedis)
†Proteroctopus (incertae sedis)
†Palaeoctopus (incertae sedis)
Cirrina
Incirrina
Synonyms

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Octopoda
Leach, 1818

Suborders

†Pohlsepia (incertae sedis)
†Proteroctopus (incertae sedis)
†Palaeoctopus (incertae sedis)
Cirrina
Incirrina
Synonyms

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Incirrina
Grimpe, 1916 sensu Felley et al., 2001

Families
  • Amphitretidae
  • Bolitaenidae
  • Octopodidae
  • Vitreledonellidae
  • Superfamily Argonautoida

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Cephalopoda
Cuvier, 1797

Orders

Subclass Nautiloidea
  • †Plectronocerida
  • †Ellesmerocerida
  • †Actinocerida
  • †Pseudorthocerida
  • †Endocerida
  • †Tarphycerida
  • †Oncocerida

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Nautiloidea
Agassiz, 1847

Orders

Palcephalopoda
  • †Plectronocerida
  • †Ellesmerocerida
  • †Actinocerida
  • †Pseudorthocerida
  • †Endocerida
  • †Tarphycerida
  • †Oncocerida

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Coleoidea
Bather, 1888

Orders
  • †Belemnoidea
  • †Aulacocerida
  • †Belemnitida

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Decapodiformes
Young, et al., 1998

Orders

?†Boletzkyida
Sepiida
Sepiolida
Spirulida
Teuthida
Synonyms
  • Decembrachiata
    Winckworth, 1932
Decapodiformes
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For other uses, see Squid (disambiguation).


Superconducting Quantum Interference Devices (SQUID) are very sensitive magnetometers used to measure extremely small magnetic fields, based on superconducting loops
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Sepiida
Zittel, 1895

Suborders and Families
  • †Vasseuriina
  • †Vasseuriidae
  • †Belosepiellidae
  • Sepiina

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Octopodiformes
Young et al., 1998

Orders

Vampyromorphida
Octopoda

Octopodiformes is a superorder of the subclass Coleoidea. It comprises the octopuses and the vampire squid. All members of Octopodiformes have 8 arms.
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Vampyromorphida
Pickford, 1939

Suborders

?†Kelaenina
†Prototeuthina
†Mesoteuthina
Vampyromorphina
Synonyms
  • Vampyromorpha
    Grimpe, 1917
Vampyromorphida
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Octopoda
Leach, 1818

Suborders

†Pohlsepia (incertae sedis)
†Proteroctopus (incertae sedis)
†Palaeoctopus (incertae sedis)
Cirrina
Incirrina
Synonyms

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Pohlsepia
Kluessendorf & Doyle, 2000

Species: P. mazonensis

Binomial name
Pohlsepia mazonensis
Kluessendorf & Doyle, 2000


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Incertae sedis—"of uncertain position (seat)"—is a term used to define a taxonomic group where its broader relationships are unknown or undefined.

Examples

The taxonomy for humans is usually recognized as follows:

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Proteroctopus

Species: P. ribeti

Binomial name
Proteroctopus ribeti
Fischer & Riou, 1982

Proteroctopus ribeti
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Incertae sedis—"of uncertain position (seat)"—is a term used to define a taxonomic group where its broader relationships are unknown or undefined.

Examples

The taxonomy for humans is usually recognized as follows:

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