(definition) by Webster 1913 Tue Dec 21 1999 at 23:30:13

Eu*ryp`te*roi"de*a (?), n. pl. [NL. See Eurypteroid.] Paleont.

An extinct order of Merostomata, of which the genus Eurypterus is the type. They are found only in Paleozoic rocks.

[Written also Eurypterida.]

 

© Webster 1913.

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