Alder's necklace shell vs Pygmy three-toed sloth

Euspira nitida compared with Bradypus pygmaeus

Key Differences

• Alder's necklace shell is Least Concern while Pygmy three-toed sloth is Critically Endangered.

Taxonomic Classification

Rank	Alder's necklace shell	Pygmy three-toed sloth
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Pilosa (Sloths & Anteaters)
Family	Naticidae	Bradypodidae (Three-toed Sloths)
Genus	Euspira	Bradypus (Three-toed Sloths)
Species	Euspira nitida	Bradypus pygmaeus

Evolutionary Relationship

Alder's necklace shell and Pygmy three-toed sloth share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder's necklace shell

LC — Least Concern

Pygmy three-toed sloth

CR — Critically Endangered

Physical Characteristics

Attribute	Alder's necklace shell	Pygmy three-toed sloth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder's necklace shell

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Pygmy three-toed sloth

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.