class merostomata

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Definition
  1. Noun:
    • A taxonomic class in some biological classifications: "Class Merostomata" is a taxonomic grouping used in certain classification systems, specifically encompassing marine arthropods characterized by their chelicerate mouthparts and segmented bodies. It traditionally includes two orders: Xiphosura (horseshoe crabs) and Eurypterida (sea scorpions, now extinct).
Usage Examples
  • Noun:
    • The class Merostomata is of great interest to paleontologists studying ancient marine ecosystems.
    • Horseshoe crabs, belonging to the class Merostomata, are often called "living fossils."
Advanced Usage
  • In taxonomic discussions: The term is used when discussing historical or alternative biological classifications. Its usage may be qualified, as modern phylogenetic studies often place these groups differently.
    • In older texts, you will find eurypterids classified under the class Merostomata.
Variants and Related Words
  • Merostome (n): An individual organism belonging to the class Merostomata.
    • The merostome's anatomy is well-adapted for a benthic lifestyle.
  • Merostomatous (adj): Relating to or characteristic of the class Merostomata.
    • The merostomatous fossils were exceptionally preserved.
Synonyms
  • None direct: As a specific scientific taxonomic name, there are no true synonyms. In broader descriptive contexts, one might refer to "chelicerate arthropods" or "marine chelicerates," but these are not equivalent to the formal class name.
Related Phrases
  • Not applicable: As a scientific taxonomic term, it does not commonly form phrasal verbs or idioms.
Related Idioms
  • Not applicable: This term is scientific and does not feature in idiomatic expressions.
Noun
  1. used in some classifications; includes the orders Xiphosura and Eurypterida

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