A hinge ligament is a crucial part of the anatomical structure of a bivalve shell, i.e. the shell of a bivalve mollusk. The shell of a bivalve has two...

by a ligament and usually articulate with one another using structures known as "teeth" which are situated along the hinge line. In many bivalve shells...

or lobes. In bivalves, the mantle lobes secrete the valves, and the mantle crest secretes the whole hinge mechanism consisting of ligament, byssus threads...

between the umbos of the shell. The resiliency of the ligament is what causes the valves of the bivalve mollusk to open when the adductor muscles relax. Scallops...

a bone joint Hinge line of bivalve shells Hinge teeth of bivalve shells Ligament (bivalve) or hinge ligament of a bivalve shell Molecular hinge, a molecule...

Freshwater bivalves, as their name implies, have a protective exoskeleton composed of two half-shells or "valves", connected via a soft ligament along a...

"dentition"). Like the ligament, the hinge teeth are also situated along the hinge line of the shell, in most cases. In most families of bivalves, the two valves...

The windowpane oyster (Placuna placenta) is a bivalve marine mollusk in the family of Placunidae. It is edible, but valued more for its shell (and its...

defined, often most prominent, highest part of each valve of the shell of a bivalve or univalve mollusc. It usually contains the valve's beak, the oldest point...

Clam is a common name for several kinds of bivalve mollusc. The word is often applied only to those that are deemed edible and live as infauna, spending...

by a ligament, and look nothing like a normal snail shell; instead the valves look almost exactly like the two hinged valves of a clam, a bivalve mollusk...

joined by a ligament. These two parts very closely resemble the two valves of a bivalve. This group of species are often referred to as "bivalved gastropods"...

anatomy, a resilium is part of the shell of certain bivalve mollusks. It is an internal ligament, which holds the two valves together and is located in...

bivalve mollusks. It is either a recess (a pit or groove of some sort) or a process, the function of which is the attachment of an internal ligament,...

large ligamental pit at the hinge line, which in life contains a large internal ligament. Most bivalves in other families have an external ligament instead...

Protobranchia is a subclass of bivalve molluscs. It contains the extant orders Nuculanida, Nuculida, and Solemyida. These are deep water clams of a small...

family of saltwater clams, marine bivalve mollusks, known commonly as kitten's paws or kittenpaws. These bivalves are related to oysters and scallops...

genus of medium to large-sized edible, mainly saltwater mussels, marine bivalve molluscs in the family Mytilidae. Mussels have a gray to blue-purple, fully...

sandy sediments. Bivalves are molluscs with a body compressed between two usually similar shell valves joined by an elastic ligament. There are teeth...

malacology) a depressed area, present in some bivalves behind the beaks in the dorsal line (about and behind the ligament, if external), in one or both valves...

whereas in bivalves, it forms a groove which will eventually become the hinge line between the two shells, where they are connected by a ligament. The gland...

Noetiidae is a family of saltwater clams, marine bivalve molluscs in the order Arcida. They are related to the ark clams and used to be classified as...

alivincular type ligament, termed an alivincular-areate ligament. This form of ligament was widely found in many of the Triassic bivalve families but evolution...

Eurytellina simulans is a species of bivalve mollusc. This species was previously known as Tellina simulans. The rose-red shells can reach 45 mm (1.8")...

The Arcida is an extant order of bivalve molluscs. This order dates back to the lower Ordovician period. They are distinguished from related groups, such...

Limatula hodgsoni is a species of bivalve mollusc in the family Limidae, the file shells or file clams. It is native to the seas around Antarctica. Limatula...

Tuarangia is a Cambrian shelly fossil interpreted as an early bivalve, though alternative classifications have been proposed and its systematic position...

marisindicus is a species of deepwater hydrothermal vent mussel, a marine bivalve mollusk species in the family Mytilidae, the mussels. This species is found...

is a species of bivalve mollusc in the family Pinnidae. The rigid shell has a pair of thick spiny valves held together by ligaments that run along the...

shells, and Capiz shells, are a taxonomic family of saltwater clams, marine bivalve mollusks which are related to oysters and scallops. This family is best...