order Struthioniformes

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Definition

Noun: 1. A taxonomic order of large, flightless birds: "Order Struthioniformes" is the scientific classification for a group of ratite birds, primarily comprising ostriches and their extinct relatives. This order is characterized by features such as a flat breastbone without a keel, adapted for running rather than flight. * Note: In modern taxonomy, this order is sometimes considered to contain only the ostrich family (Struthionidae), with other ratites like emus and rheas placed in separate orders.

Examples of Usage
  • Noun:
    • The ostrich is the sole living representative of the order Struthioniformes.
    • Fossil evidence places several extinct, large flightless birds within the order Struthioniformes.
    • In our study of avian evolution, we examined the skeletal structure characteristic of the order Struthioniformes.
Advanced Usage
  • "To be classified under/in the order Struthioniformes": to be placed within this specific taxonomic group.
    • The newly discovered fossil species appears to be classified under the order Struthioniformes.
Variants and Related Words
  • Struthioniform (adj): Of or relating to the order Struthioniformes.
    • The museum displayed a collection of struthioniform fossils.
  • Struthio (n): The genus within Struthionidae that contains the ostrich species.
  • Ratite (n/adj): A broader descriptive term for flightless birds with a flat breastbone, which includes members of Struthioniformes and other orders like Rheiformes (rheas) and Casuariiformes (emus, cassowaries).
Synonyms
  • Ostrich order: A common, less formal name for this taxonomic group.
Related Terms (Scientific Context)
  • Paleognathae (n): The infraclass that contains all ratite birds, including Struthioniformes.
  • Neognathae (n): The infraclass containing all other modern birds, which is the sister group to Paleognathae.
Noun
  1. a ratite bird order: ostriches and related extinct birds; known from the Pleistocene onward

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