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Spheniopsidae
Spheniopsidae is a family of 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, bival ...s belonging to the order Myida. Genera: * '' Grippina'' Dall, 1912 * '' Spheniopsis'' Sandberger, 1861 References {{Taxonbar, from=Q18709252 Myida Bivalve families ... [...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] |
Myida
Myida (formerly Myoida) is an order of saltwater and freshwater clams, marine and freshwater bivalve molluscs in the subclass Heterodonta. The order includes such bivalves as soft-shell clams, geoducks and shipworms. Description They are burrowing molluscs with well-developed siphons. The shell is relatively soft and lacks a nacreous layer. Some species have a single cardinal tooth. Superfamilies and families Superfamilies and families within the Myida include: * Superfamily: Dreissenoidea ** Family: Dreissenidae * Superfamily: Myoidea ** Family: Corbulidae ** Family: Myidae ** Family: † Pleurodesmatidae ** Family: † Raetomyidae * Superfamily: Pholadoidea ** Family: Pholadidae ** Family: Teredinidae ** Family: Xylophagaidae Xylophagaidae is a family of deep-sea woodboring bivalve molluscs, similar to shipworms The shipworms are marine bivalve molluscs in the family Teredinidae: a group of saltwater clams with long, soft, naked bodies. They are notorious for bor .. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
