brown point snail vs smooth giant clam

Acicula fusca compared with Tridacna derasa

Key Differences

• brown point snail is Extinct while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	brown point snail	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Gastropoda (Gastropoda)	Bivalvia (Bivalvia)
Order	Architaenioglossa (Architaenioglossa)	Cardiida (Cardiida)
Family	Aciculidae	Cardiidae
Genus	Acicula	Tridacna
Species	Acicula fusca	Tridacna derasa

Evolutionary Relationship

brown point snail and smooth giant clam share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

brown point snail

EX — Extinct

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	brown point snail	smooth giant clam
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.

smooth giant clam

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Marshall Islands and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.