Gray-footed Spiny-rat vs

Proechimys poliopus compared with Trichormus variabilis

Key Differences

• Gray-footed Spiny-rat is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Gray-footed Spiny-rat
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Rodentia (Rodents)	Cyanobacteriales
Family	Echimyidae	Nostocaceae
Genus	Proechimys	Trichormus
Species	Proechimys poliopus	Trichormus variabilis

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Trichormus variabilis is a filamentous, nitrogen-fixing cyanobacterium in the family Nostocaceae. It forms heterocysts — specialized nitrogen-fixing cells — within its trichomes and is found in freshwater, soil, and symbiotic associations. Its conservation status is not evaluated.