Orinocan Speckled Tree-rat vs Ray

Pattonomys punctatus compared with Atlantoraja castelnaui

Key Differences

• Orinocan Speckled Tree-rat is Data Deficient while Ray is Critically Endangered.

Taxonomic Classification

Rank	Orinocan Speckled Tree-rat	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Arhynchobatidae
Genus	Pattonomys	Atlantoraja
Species	Pattonomys punctatus	Atlantoraja castelnaui

Evolutionary Relationship

Orinocan Speckled Tree-rat and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Orinocan Speckled Tree-rat

DD — Data Deficient

Ray

CR — Critically Endangered

Physical Characteristics

Attribute	Orinocan Speckled Tree-rat	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Orinocan Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Ray