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What does and does not belong to each order is determined by a
For some groups of organisms, consistent suffixes are used to denote that the rank is an order. The Latin
||Example 1||Example 2|
|Magnorder||magnus: large, great, important|
|Mirorder||mirus: wonderful, strange|
|Parvorder||parvus: small, unimportant|
In their 1997 classification of mammals, McKenna and Bell used two extra levels between superorder and order: "grandorder" and "mirorder". Michael Novacek (1986) inserted them at the same position.
In botany, the ranks of subclass and suborder are secondary ranks pre-defined as respectively above and below the rank of order. Any number of further ranks can be used as long as they are clearly defined.