NOMENCLATURE OF TAXA ACCORDING TO THEIR RANK
NAMES OF TAXA ABOVE THE RANK OF FAMILY
17.2. Names intended as names of orders, but published with their rank denoted by a term such as “cohors”, “nixus”, “alliance”, or “Reihe” instead of “order”, are treated as having been published as names of orders.
17A.1. A new name should not be published for an order for which a name already exists that is based on the same type as the name of an included family.