brown point snail vs St. James' shell

Acicula fusca compared with Pecten maximus

Key Differences

• brown point snail is Extinct while St. James' shell is Least Concern.

Taxonomic Classification

Rank	brown point snail	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Gastropoda (Gastropoda)	Bivalvia (Bivalvia)
Order	Architaenioglossa (Architaenioglossa)	Pectinida (Pectinida)
Family	Aciculidae	Pectinidae
Genus	Acicula	Pecten
Species	Acicula fusca	Pecten maximus

Evolutionary Relationship

brown point snail and St. James' shell share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

brown point snail

EX — Extinct

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	brown point snail	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown point snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium and Norway.

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).

brown point snail

The Brown Point Snail (Acicula fusca) is a species in the genus Acicula. It is currently classified as Extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway