Brazilian spiny tree-rat vs Dwarf round ray

Makalata didelphoides compared with Urotrygon nana

Key Differences

• Brazilian spiny tree-rat is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Brazilian spiny tree-rat	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Urotrygonidae
Genus	Makalata	Urotrygon
Species	Makalata didelphoides	Urotrygon nana

Evolutionary Relationship

Brazilian spiny tree-rat and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brazilian spiny tree-rat

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Brazilian spiny tree-rat	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brazilian spiny tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Dwarf round ray

Brazilian spiny tree-rat

The Brazilian spiny tree-rat (Makalata didelphoides) is a species in the genus Makalata. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.