Gray-footed Spiny-rat vs

Proechimys poliopus compared with Rhizocarpon oederi

Key Differences

• Gray-footed Spiny-rat is Vulnerable while is Extinct.

Taxonomic Classification

Rank	Gray-footed Spiny-rat
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Rhizocarpales (Rhizocarpales)
Family	Echimyidae	Rhizocarpaceae
Genus	Proechimys	Rhizocarpon
Species	Proechimys poliopus	Rhizocarpon oederi

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

EX — Extinct

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.

Rhizocarpon oederi is a crustose lichen historically recorded on siliceous rocks across parts of Europe and North America. It is now classified as Extinct (EX) on the IUCN Red List, representing one of the few lichen species confirmed to have been lost. Its disappearance is attributed to habitat destruction, air pollution, and the very specific microhabitat requirements that made it vulnerable.