Brazilian spiny tree-rat vs St. James' shell

Makalata didelphoides compared with Pecten maximus

Taxonomic Classification

Rank	Brazilian spiny tree-rat	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Pectinida (Pectinida)
Family	Echimyidae	Pectinidae
Genus	Makalata	Pecten
Species	Makalata didelphoides	Pecten maximus

Evolutionary Relationship

Brazilian spiny tree-rat and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brazilian spiny tree-rat

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Brazilian spiny tree-rat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brazilian spiny tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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).

Brazilian spiny tree-rat

The Brazilian spiny tree-rat (Makalata didelphoides) is a species in the genus Makalata. 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.