One or more families grouped together, distinugishes differences within a class.

Superorders and suborders are sometimes added between order and class or family, respectively.

Georgetown University

From largest/most general to smallest/most specific:

- domain
- kingdom 
- phylum (in zoology) / division (in botany)	
- class 
- order
- family
- genus
- species

Main Taxonomic Ranks in Biology

Wikipedia

Order (biology)

One or more orders grouped together, distinguishes differences within a phylum/division.

Class (biology)

One or more phyla/divisions grouped together, distinguishes differences within a domain .

Kingdom (biology)

One or more classes grouped together, distinguishes differences within a kingdom.

Called phylum/phyla in zoology and division(s) in botany.

Phylum/Division (biology)

A groups of species that share similarities based on common ancestry. The first part of the name used to classify an organism in the classification system made by Carolus Linnaeus

Genus 

In biological taxonomy, a domain is the highest taxonomic rank widely accepted for the classification of organisms.

Learn Before

Related