noun. (biology) a taxonomic group ranking above an order and below a class or subclass.
- taxonomic category
- order (English)
- ordre (Middle English (1100-1500))
- super- (English)
Example sentences of the word superorder
1. Noun, singular or mass
Catfish belong to the order Siluriformes and to the superorder Ostariophysi, which is characterised by the presence in most of its members of a swim bladder, which helps the Catfish maintain its buoyancy.