family Alopiidae

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Definition

Proper noun A taxonomic family of sharks within the order Lamniformes, commonly known as thresher sharks. These sharks are characterized by their exceptionally long, whip-like upper caudal fin lobe, which can be as long as the body itself, and which they use to herd and stun prey.

Usage

The term "family Alopiidae" is used in formal, scientific contexts such as biology, marine science, and taxonomy to classify and discuss this specific group of sharks. * The great thresher shark (Alopias vulpinus) belongs to family Alopiidae. * All members of family Alopiidae possess a distinctive elongated caudal fin. * The phylogenetic study focused on the three extant species within family Alopiidae.

Advanced Usage
  • In taxonomic hierarchy: The term is used to denote a precise level of biological classification (family), situated between order and genus.
    • The order Lamniformes includes several families, such as family Alopiidae and family Lamnidae (mackerel sharks).
Variants and Related Words
  • Alopiidae: The more common form, identical in meaning and used without the word "family." This is the standard taxonomic name.
    • The genus Alopias is the only extant genus in Alopiidae.
  • Thresher sharks: The common name for members of this family.
    • Thresher sharks are easily identified by their long tails.
Synonyms
  • Thresher sharks (common name)
Related Terms
  • Lamniformes: The biological order to which this family belongs.
  • Alopias: The sole extant genus within the family Alopiidae, containing all living thresher shark species (e.g., , , ).
  • Caudal fin: The tail fin, the defining morphological feature of this family.
Noun
  1. thresher sharks

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