অনুসন্ধান করুন
Subclass opisthobranchia
/sˈʌbklas ˌɒpɪsθəbɹˈankiə/
/sˈʌbklæs ˌɑːpɪsθəbɹˈænkiə/Subclass opisthobranchia
01
gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
