Hurleur du Maranhao vs St. James' shell

Alouatta ululata compared with Pecten maximus

Key Differences

• Hurleur du Maranhao is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Hurleur du Maranhao	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Primates (Primates)	Pectinida (Pectinida)
Family	Atelidae	Pectinidae
Genus	Alouatta	Pecten
Species	Alouatta ululata	Pecten maximus

Evolutionary Relationship

Hurleur du Maranhao and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hurleur du Maranhao

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Hurleur du Maranhao	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hurleur du Maranhao

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).

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.