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enteropneust

American  
[en-tuh-ruhp-noost, -nyoost] / ˈɛn tə rəpˌnust, -ˌnyust /

noun

  1. any of various invertebrate animals of the class Enteropneusta, comprising the acorn worms.

Etymology

Origin of enteropneust

< New Latin Enteropneusta, equivalent to Greek entero- entero- + -pneusta, neuter plural of pneustós breathed, verbid of pneîn to breathe

Example Sentences

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The two acorn worms whose genomes are described here represent the two main enteropneust lineages, separated by at least 370 million years and differing in their developmental modes.

From Nature • Nov. 17, 2015

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