suborder Prosimii

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Definition

Noun: 1. A taxonomic suborder of primates: In some biological classification systems, 'Suborder Prosimii' is a group that includes certain primates, such as lemurs, lorises, and tarsiers. It is contrasted with 'Suborder Anthropoidea' (monkeys, apes, and humans). This classification is not universally used in modern taxonomy.

Usage Notes
  • The term 'Suborder Prosimii' is considered a traditional or older classification. Modern phylogenetic studies often divide primates into different suborders, such as Strepsirrhini (lemurs and lorises) and Haplorhini (tarsiers, monkeys, and apes). Therefore, you will encounter this term primarily in historical contexts or in classifications that follow a specific traditional system.
  • It is a formal, scientific term used in zoology and biological taxonomy.
Examples
  • Noun:
    • In the older classification, lemurs were placed in the Suborder Prosimii.
    • The textbook chapter on primate evolution discussed the characteristics of Suborder Prosimii.
Advanced Usage
  • The defining feature of the group 'Prosimii' is often their retention of more primitive ('prosimian') anatomical traits compared to monkeys and apes, such as a moist rhinarium (wet nose) in some members.
Variants and Related Words
  • Prosimian (noun): A member of the Suborder Prosimii.
    • Lemurs are nocturnal prosimians.
  • Prosimian (adjective): Relating to or characteristic of the Suborder Prosimii.
    • The fossil showed distinct prosimian features.
Synonyms
  • Prosimians (when used informally to refer to the group)
  • Lower primates (an outdated and less precise term)
Different Meanings / Contexts

This term has only one specific meaning within the context of biological classification (taxonomy). It does not have general English usage outside of scientific discourse.

Noun
  1. not used in all classifications; in some classifications considered coextensive with the Lemuroidea; in others includes both Lemuroidea and Tarsioidea

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