genus Isurus

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Definition

Proper noun: * A taxonomic classification: "Genus Isurus" is the scientific name for a genus of mackerel sharks within the family Lamnidae. This genus is characterized by large, fast-swimming, pelagic sharks with conical snouts and long gill slits.

Usage Notes
  • "Genus Isurus" is a formal, scientific term used primarily in biology, zoology, and taxonomy. It is always capitalized and typically italicized in academic writing.
  • In common language, the members of this genus are referred to by their common names, such as "mako sharks."
Examples
  • Proper noun:
    • The great white shark belongs to the genus Carcharodon, while the shortfin mako belongs to Genus Isurus.
    • The study focused on the evolutionary history of Genus Isurus.
    • Fossil records indicate that Genus Isurus has existed for millions of years.
Advanced Usage
  • Taxonomic Hierarchy: The term is used to specify a precise level in biological classification (Kingdom, Phylum, Class, Order, Family, Genus, Species).
    • Within the order Lamniformes, Genus Isurus is distinguished by its specific tooth morphology.
Variants and Related Words
  • Isurus (n): The abbreviated form of the genus name, used identically in scientific contexts.
    • The species Isurus oxyrinchus is commonly known as the shortfin mako.
  • Mako shark (n): The common name for sharks within Genus Isurus.
    • Mako sharks are known for their incredible speed.
Synonyms
  • Mako sharks (common name)
Related Terms (Taxonomic Context)
  • Species Isurus oxyrinchus: The shortfin mako shark.
  • Species Isurus paucus: The longfin mako shark.
  • Family Lamnidae: The mackerel shark family, which includes Genus Isurus, Genus Carcharodon (great white shark), and Genus Lamna (salmon sharks).
Noun
  1. mako sharks

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