Found 2 items, similar to superorder.
English → English (WordNet) Definition: superorder superorder n : (biology) a taxonomic group ranking above an order and below a class or subclass
English → English (gcide) Definition: Superorder Superorder \Su`per*or"der\, n. (Zo["o]l.) A group intermediate in importance between an order and a subclass. [1913 Webster]