depinisyon kahulugan
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doc Definition of opisthobranchia
    English to English
    noun
  • gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
  • source: WordNet 3.0
  • A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.
  • source: Webster 1913
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