Arizona Gray Squirrel vs Four-Lined Silverfish

Sciurus arizonensis compared with Ctenolepisma lineata

Key Differences

• Arizona Gray Squirrel is Data Deficient while Four-Lined Silverfish is Not Evaluated.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Four-Lined Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Zygentoma (Zygentoma)
Family	Sciuridae (Squirrels)	Lepismatidae
Genus	Sciurus (Tree Squirrels)	Ctenolepisma
Species	Sciurus arizonensis	Ctenolepisma lineata

Evolutionary Relationship

Arizona Gray Squirrel and Four-Lined Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Four-Lined Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	Arizona Gray Squirrel	Four-Lined Silverfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Four-Lined Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Portugal, Sweden, and United States.

Arizona Gray Squirrel

The Arizona Gray Squirrel, Sciurus arizonensis, is a species. Its conservation status is listed as Data Deficient, meaning insufficient information exists to assess its risk of extinction. Typically found in diverse terrestrial and aquatic ecosystems.