superclass Chelicerata

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Definition

Noun: - A major taxonomic group (superclass) within the phylum Arthropoda, comprising arthropods characterized by having chelicerae (pincer-like mouthparts) and a body divided into two main tagmata: the prosoma (cephalothorax) and the opisthosoma (abdomen). This group lacks antennae and mandibles.

Usage
  • Scientific Classification: Used primarily in zoological and biological contexts to classify a specific lineage of arthropods.
Advanced Usage
  • Phylogenetic Context: The term is used in evolutionary biology and systematics to discuss the relationships between different arthropod groups.
Variants and Related Words
  • Chelicerate (noun): Any member of the superclass Chelicerata.
  • Cheliceral (adjective): Pertaining to the chelicerae.
Synonyms
  • Chelicerates (when used as a common name for the group members).
Different Meanings
  • This term has a single, specific meaning in biological taxonomy. It does not have general or figurative meanings.
Notes
  • The name "Chelicerata" is derived from the Greek words (claw) and (horn), referring to the characteristic claw-like mouthparts.
  • While "superclass" is a taxonomic rank, "Chelicerata" is often used alone to refer to this group in both scientific and general contexts.
Noun
  1. spiders; scorpions; horseshoe crabs

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