Your current chain: State of matter Life > Kingdom Animalia > Phylum Chordata > Subphylum Vertebrata > Class Mammalia > Subclass Theria > Infraclass Placentalia > Superorder Euarchontoglires > Order Rodentia > Suborder Sciuromorpha
(From Wikipedia) Sciuromorpha ("squirrel-like") is a rodent clade that includes several different rodent families.
FACT: As a glimpse into the kind of stuff taxonomists get into, this entire suborder is organized mainly on the placement of muscle groups within the head!
Currently discovered: 1/3 Families
Family