Guyenne Spiny-rat vs Sparsetooth dogfish

Proechimys guyannensis compared with Scymnodalatias oligodon

Taxonomic Classification

Rank	Guyenne Spiny-rat	Sparsetooth dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Echimyidae	Somniosidae
Genus	Proechimys	Scymnodalatias
Species	Proechimys guyannensis	Scymnodalatias oligodon

Evolutionary Relationship

Guyenne Spiny-rat and Sparsetooth dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guyenne Spiny-rat

LC — Least Concern

Sparsetooth dogfish

LC — Least Concern

Physical Characteristics

Attribute	Guyenne Spiny-rat	Sparsetooth dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Sparsetooth dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.