Pectinibranchia


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Pectinibranchia

[‚pek·tə·nə′braŋ·kē·ə]
(invertebrate zoology)
An order of gastropod mollusks which contains many families of snails; respiration is by means of ctenidia, the nervous system is not concentrated, and sexes are separate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.