vs Gray-footed Spiny-rat

Biddulphia rhombus compared with Proechimys poliopus

Key Differences

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

Taxonomic Classification

Rank		Gray-footed Spiny-rat
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (Mammals)
Order	Biddulphiales (Biddulphiales)	Rodentia (Rodents)
Family	Biddulphiaceae	Echimyidae
Genus	Biddulphia	Proechimys
Species	Biddulphia rhombus	Proechimys poliopus

Conservation Status

NE — Not Evaluated

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Sweden, and Taiwan.

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.

Biddulphia rhombus is a centric marine diatom with a distinctly bipolar, rhomboid to broadly lanceolate valve shape bearing prominent horn-like elevations. It inhabits coastal planktonic and benthic environments in temperate to warm seas worldwide. This photosynthetic diatom contributes to marine primary production in neritic coastal waters.