casuariiformes
Học thuậtThân thiện
A cassowary, a member of the order Casuariiformes, walks through a tropical forest.
Definition
Noun 1. A taxonomic order of large, flightless birds: Casuariiformes is the scientific name for the biological order comprising the cassowary and emu families. These are ratite birds, characterized by a flat breastbone without a keel, which prevents flight.
Usage Examples
- Noun:
- The order Casuariiformes includes some of the largest birds in the world.
- Scientists study the evolution of ratites within the Casuariiformes.
Advanced Usage
- In taxonomic classification: The term is used primarily in scientific and zoological contexts to categorize and discuss these specific birds.
- The phylogenetic study placed the extinct genus Genyornis within the Casuariiformes.
Variants and Related Words
- Casuariformes (n): An alternate, though less common, spelling for the same taxonomic order.
- Casuariiform (adj): Relating to or characteristic of the order Casuariiformes.
- The casuariiform skeleton shows distinct adaptations for running.
Synonyms
- Ratite order (specific): Refers to the same group, though "ratite" is a broader category that includes other flightless birds like ostriches and rheas.
Notes on Meaning
This word has a single, precise scientific meaning. It is not used in everyday language but is essential in biological and paleontological disciplines.
A cassowary, a member of the order Casuariiformes, walks through a tropical forest.
Noun
- a ratite bird order: cassowaries and emus