opisthobranch

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Related to Opisthobranchia: Pulmonata

opisthobranch

any member of the molluscan subclass Opisthobranchia -marine forms mainly lacking shells, such as sea slugs.
References in periodicals archive ?
Opisthobranchia des Mittlemeeres: Nudibranchia und Saccoglossa.
This pattern appears to be characteristic for the Opisthobranchia and Pulmonata, and it strengthens the assumption that the Euthyneura (Opistho-branchia plus Pulmonata) form a single holophyletic group, in which the mesentoblast is formed at the 24-cell stage, distinctively earlier than in an allogastropod outgroup such as the Valvatoidea.
El presente trabajo muestra las especies bentonicas de Opisthobranchia registradas para el norte del Peru.
Key words: Mollusca, Opisthobranchia, Nudibranchia, Goniodorididae, Trapania, Costa Rica, Panama, Pacific Ocean.
Phagocytosis of algal chloroplasts by digestive gland cells in the photosynthesis-capa ble slug Elysia timida (Mollusca, Opisthobranchia, Sacoglossa).
Two cryptic and sympatric species of Philinopsis (Mollusca, Opisthobranchia, Cephalaspidea) in the Bahamas distinguished using molecular and anatomical data.
santarosana Baja California to McAbee Beach Morro Bay, CA Nucella canaliculata Cayucos, CA to Alasca Shell Beach Pteropurpura festiva Baja California to Morro Bay Point Conception, CA Heterobranchia Odostomia eucosmia Baja California to Carmel Palos Verdes, CA Turbonilla kelseyi Baja California to Diablo Canyon Santa Barara, CA Opisthobranchia Polycera alabe Gulf of California to Anacapa Island Cedros Island, BCN Bivalvia Musculus pygmaeus Dillon Beach, CA to Diablo Cove Cayucos (+), CA Ophiuroidea Ophiactis simplex Panama to Morro Bay Santa Cruz Island, CA Taxon New record Reproduction Species Dir.
Reproduction and development of the Opisthobranchia have been studied for more than 150 years (e.