Definition

Noun: 1. A member of a suborder of primates (Prosimii) that are generally considered more primitive than monkeys and apes. They are characterized by features such as large eyes adapted for nocturnal activity, large mobile ears, a well-developed sense of smell, and a moist, hairless nose tip (rhinarium).

Usage

The term "prosimian" is used primarily in biological and zoological contexts to classify and describe this specific group of primates. It distinguishes them from the more advanced "anthropoids" (monkeys, apes, and humans).

Examples

• The lemurs of Madagascar and the bushbabies of Africa are both types of prosimian.
• Prosimians often rely more on smell than sight compared to other primates.
• The study focused on the nocturnal behavior of the prosimian.

Advanced Usage

• In modern taxonomic classification, the traditional suborder is sometimes contested, with some systems grouping lemurs, lorises, and tarsiers separately from each other. However, the term "prosimian" remains widely used as a descriptive, informal category.

Variants and Related Words

• Prosimii (n): The former taxonomic suborder name for this group.
• Strepsirrhine (n): A more precise cladistic grouping that includes most prosimians (lemurs, lorises, bushbabies) but excludes tarsiers. It is characterized by a moist rhinarium and a toothcomb.

Synonyms

• Lower primate (This is an older, less precise term.)
• Pre-monkey primate (Descriptive synonym.)

Antonyms

• Anthropoid (n): Refers to the group of higher primates, including New World monkeys, Old World monkeys, apes, and humans.
• Simian (n): Pertaining to or characteristic of monkeys or apes.

Noun

1. primitive primates having large ears and eyes and characterized by nocturnal habits