Napo Spiny-rat vs Smallthorn skate

Proechimys quadruplicatus compared with Bathyraja minispinosa

Taxonomic Classification

Rank	Napo Spiny-rat	Smallthorn skate
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	Proechimys	Bathyraja
Species	Proechimys quadruplicatus	Bathyraja minispinosa

Evolutionary Relationship

Napo Spiny-rat and Smallthorn skate share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Smallthorn skate

LC — Least Concern

Physical Characteristics

Attribute	Napo Spiny-rat	Smallthorn skate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Smallthorn skate