Allen's Big-eared Bat vs St. James' shell

Idionycteris phyllotis compared with Pecten maximus

Taxonomic Classification

Rank	Allen's Big-eared Bat	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Chiroptera (Bats)	Pectinida (Pectinida)
Family	Vespertilionidae	Pectinidae
Genus	Idionycteris	Pecten
Species	Idionycteris phyllotis	Pecten maximus

Evolutionary Relationship

Allen's Big-eared Bat and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Allen's Big-eared Bat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.