Drylands Laucha vs Dwarf round ray

Calomys musculinus compared with Urotrygon nana

Key Differences

• Drylands Laucha is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Drylands Laucha	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Urotrygonidae
Genus	Calomys	Urotrygon
Species	Calomys musculinus	Urotrygon nana

Evolutionary Relationship

Drylands Laucha and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Drylands Laucha

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Drylands Laucha	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Drylands Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dwarf round ray