Pottery is rare in Wyoming, but what it lacks in number it more than makes up for in variety. Prehistoric/Protohistoric pottery found in Wyoming can be assigned to about a dozen ceramic traditions. Some of these traditions are related, but most are not. Some are clearly associated with particular cultural groups, such as the Dismal River (aka Plains Apache), Crow and Intermountain (Shoshone), but others, like Woodland, were produced by multiple distinct cultural complexes over a long period of time. Unlike other regions, there has been little attempt to define wares and types, which given the problems inherent in the type-variety system is probably a good thing. No previously undefined traditions, wares or types are presented. However, taxonomic nomenclature, where previously defined, is followed herein to avoid confusion. Terms used throughout the Wyoming Pottery Project web site follow those defined and explained by Anna Shepard in Ceramics for the Archaeologist (1976).