Descending sequence of taxonomic categories is
Class → Phylum → Order → Family → Genus →Species
Division → Class → Family→ Order → Genus → Species
Division → Class → Order → Family → Genus → Species
Phylum → Order → Class → Family →Genus →Species
Taxonomic categories showing hierarchical arrangement in descending order-
Kingdom↓Phylum or Division↓Class↓Order↓Family↓Genus↓Species