Phylum
Phylum
Phylum (/ˈfaɪləm/; from Greek φῦλον phûlon, "race, stock, kind") is a rank in the taxonomic hierarchy, below kingdom and above class. In the context of biological taxonomy, it is used to group together organisms that share a set of common characteristics and traits.
Etymology
The term "phylum" is derived from the Greek word φῦλον (phûlon), which translates to "race" or "stock". It was first used in the field of biology by Ernst Haeckel, a German biologist and philosopher, in his work "Generelle Morphologie der Organismen" (1866).
Related Terms
- Taxonomy: The science of classification, in biology the arrangement of organisms into a classification.
- Kingdom (biology): The second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called phyla.
- Class (biology): A taxonomic rank, below phylum and above order.
- Order (biology): A taxonomic rank used in the classification of organisms. It is below the rank of class and above the rank of family.
- Family (biology): A higher rank than genus in the taxonomic hierarchy.
- Genus: A rank in the biological classification (the taxonomy) that groups together closely related species.
- Species: The lowest and most exact level of biological classification.
See Also
External links
- Medical encyclopedia article on Phylum
- Wikipedia's article - Phylum
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