Niceforo Maria’s Oldfield Mouse vs St. James' shell

Thomasomys nicefori compared with Pecten maximus

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	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	Cricetidae	Pectinidae
Genus	Thomasomys	Pecten
Species	Thomasomys nicefori	Pecten maximus

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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).

Niceforo Maria’s Oldfield Mouse

No description available.

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.