Big-eared opossum vs Blacktail spurdog

Didelphis aurita compared with Squalus melanurus

Key Differences

• Big-eared opossum is Least Concern while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Big-eared opossum	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Squaliformes (Squaliformes)
Family	Didelphidae	Squalidae
Genus	Didelphis	Squalus
Species	Didelphis aurita	Squalus melanurus

Evolutionary Relationship

Big-eared opossum and Blacktail spurdog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Big-eared opossum	Blacktail spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blacktail spurdog

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.