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pogonophoran

[ poh-guh-nof-er-uhn ]
/ ˌpoʊ gəˈnɒf ər ən /
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noun

any member of the small phylum Pogonophora, slender tentacled animals having a tubelike outer covering, living on the deep ocean bottom.

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Also called beard worm.

Origin of pogonophoran

<New Latin Pogonophor(a) phylum name (Greek pōgōno-, combining form representing pṓgōn beard (see -o-) + -phora, neuter plural of -phoros bearing, -phorous; so named from the beardlike appearance of their short tentacles) + -an

Words nearby pogonophoran

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Scientific definitions for pogonophoran

pogonophoran
[ pō′gə-nŏfər-ən ]

Any of various wormlike marine invertebrates of the phylum Pogonophora that grow in upright chitin tubes, usually at great depths. Pogonophorans have tentacles that are often featherlike and are attached to the head region. An intestine is present in the embryonic stage but disappears as the animal matures. Pogonophorans are preserved in the fossil record as early as the Cambrian Period, and are thought to be related to chaetognaths, hemichordates, and echinoderms.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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