| 释义 |
eurypterid
eu·ryp·ter·id E0243300 (yo͝o-rĭp′tər-ĭd)n. Any of various large segmented aquatic arthropods of the order Eurypterida that existed from the Ordovician Period to the Permian Period, having a long tail often with a spinelike appendage at the tip. Also called sea scorpion.
[From New Latin Eurypterida, order name, from Eurypterus, genus name : eury- + Greek pteron, wing; see -pter.]eurypterid (jʊˈrɪptərɪd) n (Animals) any large extinct scorpion-like aquatic arthropod of the group Eurypterida, of Palaeozoic times, thought to be related to the horseshoe crabs[C19: from New Latin Eurypterida, from eury- + Greek pteron wing, feather]eu•ryp•ter•id (yʊˈrɪp tə rɪd, yə-)
n. any extinct aquatic arthropod of the Paleozoic order Eurypterida, related to horseshoe crabs. [1870–75; < New Latin Eurypteridae. See eury-, -pterous, -id2] Thesaurus| Noun | 1. | eurypterid - large extinct scorpion-like arthropod considered related to horseshoe crabsarthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitinEurypterida, order Eurypterida - extinct aquatic arthropods of the Paleozoic |
EncyclopediaSeeEurypteridaeurypterid
eurypterid any large extinct scorpion-like aquatic arthropod of the order Eurypterida, found in the SILURIAN PERIOD.eurypterid
Words related to eurypteridnoun large extinct scorpion-like arthropod considered related to horseshoe crabsRelated Words- arthropod
- Eurypterida
- order Eurypterida
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