Carriker’s Speckled Tree-rat vs Round ray

Pattonomys carrikeri compared with Irolita waitii

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Round ray is Least Concern.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-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	Echimyidae	Arhynchobatidae
Genus	Pattonomys	Irolita
Species	Pattonomys carrikeri	Irolita waitii

Evolutionary Relationship

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

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	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.

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.