Big Naked-backed Bat vs St. James' shell

Pteronotus gymnonotus compared with Pecten maximus

Taxonomic Classification

Rank	Big Naked-backed 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	Mormoopidae	Pectinidae
Genus	Pteronotus	Pecten
Species	Pteronotus gymnonotus	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Big Naked-backed Bat

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Big Naked-backed Bat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Naked-backed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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).

Big Naked-backed Bat

The Big Naked-backed Bat (Pteronotus gymnonotus) is a species in the genus Pteronotus. 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.