For Showing all poultry are broken down into what is referred to as classes. For large fowl, the Classes are named after the area the birds originated in. Such as American Class birds originated in the USA, Asiatic Class birds originated in Asia, as with the English Class, Mediterranean Class, Continental Class, and all other standard breed classes.
For Bantams, classes are named after physical characteristics. These are Game Bantams, Single Comb Clean Legged, Rose Comb Clean Legged, All Other Comb Clean Legged, and Feather Legged Classes. Every breed will be listed in only one class.