eurypterida

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eurypterida

A fossil of a eurypterida is displayed in a museum exhibit.

Definition
  1. Noun:
    • Eurypterida: An extinct order of large, aquatic arthropods that lived during the Paleozoic Era. They are commonly known as sea scorpions and are related to modern arachnids like scorpions and spiders.
Usage Examples
  • Noun:
    • Fossils of the Eurypterida are important for understanding early arthropod evolution.
    • The Eurypterida were among the top predators in Silurian and Devonian seas.
Advanced Usage
  • In scientific classification: The term is used formally in paleontology and zoology to refer to this specific taxonomic order.
    • The study focused on the morphological diversity within the Eurypterida.
Variants and Related Words
  • Eurypterid (n): The singular form, referring to one member of the Eurypterida.
    • This fossil is a well-preserved eurypterid.
  • Sea scorpion (n): A common name for these creatures.
    • The sea scorpion Pterygotus was a formidable predator.
Synonyms
  • Sea scorpions: The common name for Eurypterida.
  • Giant water scorpions: An alternative descriptive name.
Related Terms (Contextual)
  • Chelicerata: The subphylum that includes Eurypterida, arachnids, and horseshoe crabs.
  • Arthropod: The larger phylum to which they belong.
  • Paleozoic: The geological era when they lived.
eurypterida

A fossil of a eurypterida is displayed in a museum exhibit.

Noun
  1. extinct aquatic arthropods of the Paleozoic

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