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[pen-tuh-stoh-mid] /ˌpɛn təˈstoʊ mɪd/
noun, Zoology
Also, pentastome.
1905-10; < New Latin Pentastomida name of the class of tongue worms, equivalent to Pentastom(um) a genus name (penta- penta- + -stomum < Greek -stomon, neuter of -stomos -stomous) + -ida -ida Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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pentastomid in Science
pentastome (pěn'tə-stōm') also pentastomid
See tongue worm.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for pentastomid


any of about 70 species of tiny parasites belonging to the Pentastomida, usually considered a class. Pentastomids are considered to lie between annelids and arthropods in evolutionary development. They range from a few millimetres to 14 cm (about 6 inches) in length and lack respiratory, circulatory, and excretory organs

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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