superorder
nounA taxonomic category of related organisms ranking below a class or its subdivisions and above an order.
nounIn natural history, a classificatory group next above the order but below the class. It may be a combination of orders, or a single order contrasting with such a combination; it is not well distinguished from
A group intermediate in importance between an order and a subclass.
nounA
(biology) a taxonomic group ranking above an order and below a class or subclass
