Atlantic Deep-sea Lobster vs St. James' shell

Acanthacaris caeca compared with Pecten maximus

Taxonomic Classification

Rank	Atlantic Deep-sea Lobster	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Malacostraca (Crustaceans)	Bivalvia (Bivalvia)
Order	Decapoda (Decapoda)	Pectinida (Pectinida)
Family	Nephropidae	Pectinidae
Genus	Acanthacaris	Pecten
Species	Acanthacaris caeca	Pecten maximus

Evolutionary Relationship

Atlantic Deep-sea Lobster and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Deep-sea Lobster

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Deep-sea Lobster	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Deep-sea Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

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).

Atlantic Deep-sea Lobster

The Atlantic Deep-sea Lobster (Acanthacaris caeca) is a species in the genus Acanthacaris. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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.