Kingdom: Classifications at this rank Filter Organism Classification topics

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Kingdom

Kingdom

In biological taxonomy, kingdom or regnum is a taxonomic rank 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"). Currently, many textbooks...
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Monera

Monera is a now-obsolete taxonomic group in biological classification originally understood as one of five biological kingdoms. The Monera kingdom included most organisms with a prokaryotic cell organization (that is, no nucleus). For this reason,...

Scientific name:

  • Monera

ITIS Taxon S/N:

  • 202420

Chromista

The Chromista are a eukaryotic supergroup, probably polyphyletic, which may be treated as a separate kingdom or included among the Protista. They include all algae whose chloroplasts contain chlorophylls a and c, as well as various colorless forms...

Scientific name:

  • Chromista

ITIS Taxon S/N:

  • 630578

Animal

Animals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most...

Scientific name:

  • Animalia

ITIS Taxon S/N:

  • 202423

Higher classification:

Fungus

A fungus (pronounced /ˈfʌŋɡəs/) is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. The Fungi (pronounced /ˈfʌndʒaɪ/ or /ˈfʌŋɡaɪ/) are classified as a...

Scientific name:

  • Fungi

ITIS Taxon S/N:

  • 555705

NCBI Taxon ID:

  • 4751

Higher classification:

Protist

Protists (pronounced /ˈproʊtɨst/), are a diverse group of eukaryotic microorganisms. Historically, protists were treated as the kingdom Protista but this group is no longer recognized in modern taxonomy. Instead, it is "better regarded as a loose...

Scientific name:

  • Protista

ITIS Taxon S/N:

  • 630577

Higher classification:

Plant

Plants are living organisms belonging to the kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae. About 350,000 species of plants, defined as seed plants, bryophytes, ferns...

Scientific name:

  • Plantae

ITIS Taxon S/N:

  • 202422

Higher classification:

Chromalveolate

Chromalveolata is a eukaryote supergroup first proposed by Thomas Cavalier-Smith as a refinement of his kingdom Chromista, which was first proposed in 1981. It was proposed to represent the result of a single secondary endosymbiosis of a line...

Scientific name:

  • Chromalveolata

Higher classification:

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