subphylum

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. Those that are include:
Taxonomic ranks
    [ e]
Domain orMagnorder
SuperkingdomSuperphylum/SuperdivisionSuperclassSuperorderSuperfamilySuperspecies
KingdomPhylum/DivisionClassOrderFamilyTribeGenusSpecies
SubkingdomSubphylumSubclassCohortSuborderSubfamilySubtribeSubgenusSubspecies
BranchInfraphylumInfraclassLegionInfraorderAllianceInfraspecies
MicrophylumParvclassParvorder
Linnaean taxonomy is a method of classifying living things originally devised by, and named for, Carl Linnaeus although it has changed considerably since his time. The greatest innovation of Linnaeus, and still the most important aspect of this system, is the general use of
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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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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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Arthropoda
Latreille, 1829

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

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Trilobitomorpha

Classes
Trilobita
The Trilobitomorpha is a subphylum of the phylum Arthropoda that includes the trilobites. Originally a variety of peculiar forms, mostly from the lower Cambrian, were included as the Class Trilobitoidea.
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Chelicerata
Heymons, 1901

Classes
Arachnida
Merostomata
Pycnogonida
†Eurypterida

The Subphylum Chelicerata constitutes one of the major subdivisions of the Phylum Arthropoda, including the arachnids, horseshoe crabs, and related
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Myriapoda
Latreille, 1802

Classes [1]
Chilopoda
Diplopoda
Pauropoda
Symphyla

Myriapoda is a subphylum of arthropods containing millipedes, centipedes and others.
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Hexapoda
Latreille, 1825

Classes & Orders

Class Insecta (insects)
Class Entognatha

The subphylum Hexapoda (from the Greek for six legs
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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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Brachiopoda
Duméril, 1806

Diversity
About 4000 genera

Subphyla and classes
See Classification

Brachiopods (from Latin bracchium, arm + New Latin -poda, foot) are a nearly extinct, small phylum of benthic invertebrates.
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Linguliformea

Classes
Lingulata
Paterinata

Linguliformea is a subphylum of inarticulate brachiopods. These were the earliest of brachiopods, ranging from the Cambrian into the Holocene.
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Craniformea

Class: Craniforma

Orders
  • Craniida
  • †Craniopsida
  • †Trimerellida
Synonyms

Craniata Williams, Carlson, Brunton, Holmer & Popov, 1996 (non
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Urochordata
Giribet et al., 2000

Classes

Ascidiacea (2,300 species)
Thaliacea
Appendicularia
Sorberacea

Urochordata (sometimes known as tunicata and commonly called urochordates, tunicates, sea squirts
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Cephalochordata
Owen, 1846

Class: Leptocardii

Families

Asymmetronidae
Branchiostomidae

The lancelets (subphylum Cephalochordata, traditionally known as amphioxus
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Vertebrata
Cuvier, 1812

Classes and Clades

See below
Vertebrates are members of the subphylum Vertebrata (within the phylum Chordata), specifically, those chordates with backbones or spinal columns.
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Linnaean taxonomy is a method of classifying living things originally devised by, and named for, Carl Linnaeus although it has changed considerably since his time. The greatest innovation of Linnaeus, and still the most important aspect of this system, is the general use of
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domain (also superregnum, superkingdom, or empire) is a taxon in the highest rank of organisms, higher than a kingdom. Domain (or its synonyms) is the most inclusive of these biological groupings.
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In biology, a cryptic species complex is a group of species that satisfy the biological definition of species — that is, they are reproductively isolated from each other — but which are not morphologically distinguishable.
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kingdom or regnum is a taxon in either (historically) the highest rank, or (in the new three-domain system) the rank below domain. Each kingdom is divided into smaller groups called phyla (or in some contexts these are called "divisions").
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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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division.

The main plant divisions, in the order in which they probably evolved, are the liverworts (Division Marchantiophyta), the hornworts (Division Anthocerophyta), the mosses (Division Bryophyta), the ferns (Division Filicophyta), the horsetails (Division Sphenophyta),
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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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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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In biology, a tribe—or infrafamily—is a rank between subfamily and genus, or between subfamily and subtribe, if that rank is used.


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genus (plural: genera) is part of the Latinized name for an organism. It is a name which reflects the classification of the organism by grouping it with other closely similar organisms.
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species is one of the basic units of biological classification. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring.
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Cohort may mean:
  • In biology:
  • Cohort (taxonomy), a taxonomic level for a group of allied orders or families of species

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In biology, a subgenus is a taxon at a rank directly below genus. See rank (botany) and rank (zoology).

In zoology, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the generic and specific name: e.g.
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