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A bivalve shell is part of the body, the exoskeleton or shell, of a bivalve mollusk. In life, the shell of this class of mollusks is composed of two hinged parts or valves. Bivalves are very common in essentially all aquatic locales, including saltwater, brackish water, and freshwater. The shells of bivalves commonly wash up on beaches (often ...
Tellina tenuis. Tellina tenuis, the thin tellin, is a species of marine bivalve mollusc in the family Tellinidae. It is found off the coasts of northwest Europe and in the Mediterranean Sea, where it lives buried in sandy sediments. Bivalves are molluscs with a body compressed between two usually similar shell valves joined by an elastic ligament.
The mantle is a multifunctional, generally thin and fragile structure that line bivalve interiors and encloses their bodies. This structure secretes the shell, contains respiratory organs (facilitates respiration), and facilitates feeding. The cavity that exists between the mantle and other soft tissues is aptly named the mantle cavity.
Orbigny, 1842. Anomia simplex, the common jingle shell, is a typical species of bivalve mollusc in the family of Anomiidae, sharing attributes to blue mussels, American oysters, and bay scallops. [1] Species related to the family of Anomiidae are often noted for their extremely thin, often translucent, paper-like shells. [2]
Empty shell of the giant clam. ( Tridacna gigas) Empty shells of the sword razor. ( Ensis ensis) Bivalvia ( / baɪˈvælviə / ), 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.
Pinna (bivalve) Pinna. (bivalve) Pinna is a genus of bivalve molluscs belonging to the family Pinnidae. [2] The type species of the genus is Pinna rudis . The most completely studied species in the genus is P. nobilis, a Mediterranean pen shell which was historically important as the principal source of sea silk .
A. ephippium is commonly known as a jingle shell or saddle oyster. A. ephippium are described to have concave, semi-transparent shells of orange, yellow, and salmon-like colors. The sizes range from sizes from an inch to more across. Within the bivalve itself, a thin flat shell may be found within, located under the valve of the specimen.
Lucinidae, common name hatchet shells, is a family of saltwater clams, marine bivalve molluscs. These bivalves are remarkable for their endosymbiosis with sulphide -oxidizing bacteria . [1]