"' Hinge teeth "'are part of the anatomical structure of the inner surface of a bivalve shell, i . e . the shell of a bivalve mollusk.
12.
To make this possible, in most cases the two valves are articulated using an arrangement of structures known as hinge teeth ( often referred to collectively as the " dentition " ).
13.
Each related group of bivalves tends to have distinctive hinge teeth, and because of this, examining the arrangement of the hinge teeth in a bivalve shell is often essential for identification and classification.
14.
Each related group of bivalves tends to have distinctive hinge teeth, and because of this, examining the arrangement of the hinge teeth in a bivalve shell is often essential for identification and classification.
15.
R . C . Moore, in Moore, Lalicker, and Fischer, 1952, " Invertebrate Fossils ", gives a practical and useful classification of pelecypods ( Bivalvia ) even if somewhat antiquated, based on shell structure, gill type, and hinge teeth configuration.