perissodactyla
Definition
Noun 1. An order of mammals: Perissodactyla is the scientific name for an order of hoofed mammals characterized by having an odd number of functional toes (usually one or three) on each foot. This order includes living families such as horses, tapirs, and rhinoceroses, as well as many extinct forms.
Usage
The word "Perissodactyla" is used almost exclusively in formal, scientific, or zoological contexts to classify and discuss this specific taxonomic group of animals. - The evolution of Perissodactyla is a key subject in paleontology. - Horses and rhinoceroses both belong to the order Perissodactyla.
Advanced Usage
- In taxonomic hierarchy: The term is used to denote a specific rank (order) within the class Mammalia.
- The order Perissodactyla is distinguished from the order Artiodactyla (even-toed ungulates) by its limb structure.
Variants and Related Words
- Perissodactyl (noun): A member of the order Perissodactyla.
- The tapir is a perissodactyl native to the jungles of Central and South America.
- Perissodactylous (adjective): Of or relating to the order Perissodactyla.
- The fossil displayed clear perissodactylous characteristics.
Synonyms
- Odd-toed ungulates: This is the common descriptive name for members of this order, directly referencing their defining anatomical feature.
Noun
-
nonruminant ungulates: horses; tapirs; rhinoceros; extinct forms
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