chelydridae

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Thân thiện
Definition
  1. Noun:
    • Chelydridae: A family of reptiles within the order Testudines (turtles), commonly known as snapping turtles. This family is characterized by large heads, powerful hooked jaws, long tails, and a reduced, cross-shaped plastron (the underside of the shell).
Usage
  • Noun:
    • The Chelydridae are primarily found in freshwater habitats in the Americas.
    • Biologists study the evolutionary history of the family Chelydridae.
Advanced Usage
  • In taxonomic and scientific writing, "Chelydridae" is always capitalized and italicized in print to indicate it is a formal family name.
    • The fossil record suggests the Chelydridae have a long evolutionary history.
Variants and Related Words
  • Chelydrid (adj): Of or relating to the family Chelydridae.
    • The chelydrid skull structure is highly distinctive.
  • Chelydra (n): The genus within Chelydridae that includes the common snapping turtle.
  • Macrochelys (n): The genus within Chelydridae that includes the alligator snapping turtle.
Synonyms
  • Snapping turtle family: A common descriptive synonym.
  • Snappers: An informal collective term for turtles in this family.
Related Terms
  • Testudines: The order to which Chelydridae belongs.
  • Cryptodira: The suborder of hidden-necked turtles that includes Chelydridae.
  • Plastron: The ventral part of the turtle shell, which is reduced in Chelydridae.
Noun
  1. snapping turtles

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