Five-toed Pygmy Jerboa vs Round Ray

Cardiocranius paradoxus compared with Rajella fyllae

Key Differences

• Five-toed Pygmy Jerboa is Data Deficient while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Five-toed Pygmy Jerboa	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Dipodidae	Rajidae
Genus	Cardiocranius	Rajella
Species	Cardiocranius paradoxus	Rajella fyllae

Evolutionary Relationship

Five-toed Pygmy Jerboa and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Five-toed Pygmy Jerboa

DD — Data Deficient

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Five-toed Pygmy Jerboa	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Five-toed Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.