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Keywords from Image Description:
Limacina helicina . Drawing of part of Limacina helicina from ventral view shows parapodia anterior lobe of the parapodia lower part of the foot folding on the ventral side of the foot Boas Spolia Atlantica Bidrag til Pteropodernes Morfologi og Systematik samt til Kundskaben om deres geografiski Udbredelse Det Kongelige Danske videnskabernes