Information about Spirulida

Spirulidae
Owen, 1836

Genus: Spirula
Lamarck, 1799

Species: S. spirula

Binomial name
Spirula spirula
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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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Decapodiformes
Young, et al., 1998

Orders

?†Boletzkyida
Sepiida
Sepiolida
Spirulida
Teuthida
Synonyms

• Decembrachiata
  Winckworth, 1932

Decapodiformes
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order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). The superorder is a rank between class and order. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). The superorder is a rank between class and order. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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Cephalopoda
Cuvier, 1797

Orders

Subclass Nautiloidea

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

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Extant is a term commonly used to refer to taxa, species, genera or families that are still in existence (living). For example, Brandt's Cormorant is an extant species, while the Spectacled Cormorant is an extinct species.
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extinction is the cessation of existence of a species or group of taxa, reducing biodiversity. The moment of extinction is generally considered to be the death of the last individual of that species (although the capacity to breed and recover may have been lost before this point).
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A taxon (plural taxa), or taxonomic unit, is a name designating an organism or group of organisms. A taxon is assigned a rank and can be placed at a particular level in a systematic hierarchy reflecting evolutionary
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Spirulidae
Owen, 1836

Genus: Spirula
Lamarck, 1799

Species: S. spirula

Binomial name
Spirula spirula
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