Carriker’s Speckled Tree-rat vs Dwarf round ray

Pattonomys carrikeri compared with Urotrygon nana

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Carriker’s Speckled 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	Pattonomys	Urotrygon
Species	Pattonomys carrikeri	Urotrygon nana

Evolutionary Relationship

Carriker’s Speckled Tree-rat and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Dwarf round ray

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.