flat-backed millipede vs Gray-footed Spiny-rat

Polydesmus complanatus compared with Proechimys poliopus

Key Differences

• flat-backed millipede is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	flat-backed millipede	Gray-footed Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Diplopoda (Diplopoda)	Mammalia (Mammals)
Order	Polydesmida (Polydesmida)	Rodentia (Rodents)
Family	Polydesmidae	Echimyidae
Genus	Polydesmus	Proechimys
Species	Polydesmus complanatus	Proechimys poliopus

Evolutionary Relationship

flat-backed millipede and Gray-footed Spiny-rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

flat-backed millipede

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	flat-backed millipede	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

flat-backed millipede

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.