| 释义 |
order Eurypterida
Thesaurus| Noun | 1. |  order Eurypterida - extinct aquatic arthropods of the PaleozoicEurypteridaanimal order - the order of animalsclass Merostomata, Merostomata - used in some classifications; includes the orders Xiphosura and Eurypteridaeurypterid - large extinct scorpion-like arthropod considered related to horseshoe crabs |
order Eurypterida
Related to order Eurypterida: ground slothsSynonyms for order Eurypteridanoun extinct aquatic arthropods of the PaleozoicSynonymsRelated Words- animal order
- class Merostomata
- Merostomata
- eurypterid
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