Diagrams of types of bivalve hinge teeth

Dysodont
Dysodont

Heterodont
Heterodont

 

Pachydont
Pachydont

Taxodont
Taxodont

Schizodont
Schizodont

SOURCE: After: Tebble, N., 1976. British bivalve seashells: a handbook for identification. 2nd. edition. Edinburgh, HMSO.