Information about Infraclass (zoology)

In zoology, an infraclass is a further subdivision of a subclass, but it is rarely used. The next rank below the infraclass would be the Order or Superorder. For example:

See also

Zoology (from Greek: ζῴον, zoion, "animal"; and λόγος, logos, "knowledge") is the biological discipline which involves the study of animals.
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class is the rank in the scientific classification of organisms in biology below Phylum and above Order.

For example, Mammalia is the class used in the classification of dogs, whose phylum is Chordata (animals with notochords) and order is Carnivora (mammals that eat meat).
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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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phylum (Greek Φῦλον plural: Φῦλα phyla) is a taxon in the rank below kingdom and above class.
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Arthropoda
Latreille, 1829

Subphyla and Classes
  • Subphylum Trilobitomorpha
  • Trilobita - trilobites (extinct)
  • Subphylum Chelicerata

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In life, a subphylum is a taxonomic rank intermediate between phylum and superclass. The rank of subdivision in plants and fungi is equivalent to subphylum.

Not all phyla are divided into subphyla.
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crustaceans (Crustacea) are a large group of arthropods, comprising approximately 52,000 described species [1], and are usually treated as a subphylum [2].
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class is the rank in the scientific classification of organisms in biology below Phylum and above Order.

For example, Mammalia is the class used in the classification of dogs, whose phylum is Chordata (animals with notochords) and order is Carnivora (mammals that eat meat).
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Maxillopoda
Dahl, 1956

Sub-classes

Thecostraca (1,320 species)
Tantulocarida (1,200 species)
Branchiura (200 species)
Pentastomida (100+ species)
Mystacocarida (12 species)

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class is the rank in the scientific classification of organisms in biology below Phylum and above Order.

For example, Mammalia is the class used in the classification of dogs, whose phylum is Chordata (animals with notochords) and order is Carnivora (mammals that eat meat).
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Thecostraca
Gruvel, 1905

Infraclasses

Facetotecta
Ascothoracida
Cirripedia
Thecostraca are a group of marine invertebrates containing about 1,320 described species.
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Cirripedia
Burmeister, 1834

Superorders

Acrothoracica
Thoracica
Rhizocephala
A barnacle is a type of arthropod belonging to infraclass Cirripedia in the subphylum Crustacea and is hence distantly related to crabs and lobsters.
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Cirripedia
Burmeister, 1834

Superorders

Acrothoracica
Thoracica
Rhizocephala
A barnacle is a type of arthropod belonging to infraclass Cirripedia in the subphylum Crustacea and is hence distantly related to crabs and lobsters.
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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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