Alston s Cotton Rat vs Round ray

Sigmodon alstoni compared with Irolita waitii

Taxonomic Classification

Rank	Alston s Cotton Rat	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Arhynchobatidae
Genus	Sigmodon	Irolita
Species	Sigmodon alstoni	Irolita waitii

Evolutionary Relationship

Alston s Cotton Rat and Round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Round ray

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.