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Sea hares
Answer for the clue "Sea hares ", 15 letters:
opisthobranchia
Alternative clues for the word opisthobranchia
Word definitions for opisthobranchia in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Opisthobranchia \O*pis`tho*bran"chi*a\, Opisthobranchiata \O*pis`tho*bran`chi*a"ta\, n. pl. [NL., from Gr. 'o`pisqen behind + ? gills.] (Zo["o]l.) A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. ...
Wikipedia
Word definitions in Wikipedia
Opisthobranchs are a large and diverse group of specialized complex gastropods that used to be united in the subclass Opisthobranchia , but are no longer considered to represent a monophyletic grouping because it contains land snails and slugs, the Pulmonata ...