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Barnea (bivalve)
''Barnea'' is a genus of bivalves belonging to the family Pholadidae. The genus has cosmopolitan distribution. Species *'' Barnea alfredensis'' *'' Barnea australasiae'' *'' Barnea birmanica'' *''Barnea candida'' *'' Barnea davidi'' *''Barnea dilatata'' *''Barnea fragilis'' *'' arnea ghanaensis'' *'' Barnea japonica'' *'' Barnea lamellosa'' *''Barnea manilensis'' *'' Barnea obturamentum'' *''Barnea parva'' *''Barnea similis'' *'' Barnea subtruncata'' *''Barnea truncata Barnea may refer to: * Barnea is an olive cultivar, see List of olive cultivars There are hundreds of cultivars of the olive (''Olea europaea''). As one of the oldest and more important domesticated crops raised by humans, the olive tree has dive ...'' References {{Taxonbar, from=Q3804526 Pholadidae Bivalve genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bivalve
Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore. They include the clams, oysters, cockles, mussels, scallops, and numerous other families that live in saltwater, as well as a number of families that live in freshwater. The majority are filter feeders. The gills have evolved into ctenidia, specialised organs for feeding and breathing. Most bivalves bury themselves in sediment, where they are relatively safe from predation. Others lie on the sea floor or attach themselves to rocks or other hard surfaces. Some bivalves, such as the scallops and file shells, can swim. The shipworms bore into wood, clay, or stone and live inside these substances. The shell of a bivalve is composed of calc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
