elliptic trough shell vs Lesser Noctule

Spisula elliptica compared with Nyctalus leisleri

Key Differences

• elliptic trough shell is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	elliptic trough shell	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Venerida (Venerida)	Chiroptera (Bats)
Family	Mactridae	Vespertilionidae
Genus	Spisula	Nyctalus
Species	Spisula elliptica	Nyctalus leisleri

Evolutionary Relationship

elliptic trough shell and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

elliptic trough shell

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	elliptic trough shell	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

elliptic trough shell

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden