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eurypterid

[ yoo-rip-tuh-rid, yuh- ]

noun

  1. any aquatic arthropod of the extinct order Eurypterida, from the Paleozoic Era, closely related to trilobites and scorpions.


eurypterid

/ ʊˈɪəɪ /

noun

  1. any large extinct scorpion-like aquatic arthropod of the group Eurypterida, of Palaeozoic times, thought to be related to the horseshoe crabs
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of eurypterid1

From the New Latin word Eurypteridae, dating back to 1870–75. See eury-, -pterous, -id 2
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Word History and Origins

Origin of eurypterid1

C19: from New Latin Eurypterida, from eury- + Greek pteron wing, feather
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Example Sentences

Examples have not been reviewed.

S. acuminata, which grew up to 40 centimeters long, belonged to a diverse group of predators known as eurypterids, whose oldest known species appeared about 467 million years ago.

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Others are strangers to most of us: eurypterid, uintathere, onychophoran.

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Analyses show that 59% of the chitin-protein complex from the ancient scorpion's exoskeleton, and 53% of that from the eurypterid's, was preserved in those thin veneers, the researchers reported online 3 February in .

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It is the largest known walking trackway of a eurypterid or any invertebrate animal.

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It is in the Old Red Sandstone that the eurypterids are best preserved; foremost among these was Pterygotus; P. anglicus has been found in Scotland with a length of nearly 6 ft.;

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euryphagousEurystheus