| pycnogonida | <zoology> A class of marine arthropods in which the body is small and thin, and the eight legs usually very long. Synonym: Pantopoda. The abdomen is rudimentary, and the triangular mouth is at the end of a tubular proboscis. Many of them live at great depths in the sea, and the largest of them measure two feet across the extended legs. Origin: NL, fr. Gr. Thick crowded + knee. Source: Websters Dictionary (01 Mar 1998) |
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| pycnogonida | sea spiders |
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