Circular Ear Shell vs Handley s Slender Opossum

Haliotis cyclobates compared with Marmosops handleyi

Key Differences

• Circular Ear Shell is Least Concern while Handley s Slender Opossum is Critically Endangered.

Taxonomic Classification

Rank	Circular Ear Shell	Handley s Slender Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Lepetellida (Lepetellida)	Didelphimorphia (Didelphimorphia)
Family	Haliotidae	Didelphidae
Genus	Haliotis	Marmosops
Species	Haliotis cyclobates	Marmosops handleyi

Evolutionary Relationship

Circular Ear Shell and Handley s Slender Opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Circular Ear Shell

LC — Least Concern

Handley s Slender Opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Circular Ear Shell	Handley s Slender Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Circular Ear Shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Handley s Slender Opossum

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Circular Ear Shell

The Circular Ear Shell (Haliotis cyclobates) is a species in the genus Haliotis. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.