Copenhagen cockle vs little cockle

Parvicardium hauniense compared with Parvicardium exiguum

Key Differences

• Copenhagen cockle is Vulnerable while little cockle is Data Deficient.

Taxonomic Classification

Rank	Copenhagen cockle	little cockle
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Mollusca (软体动物门)	Mollusca (软体动物门)
Class same	Bivalvia (双壳纲)	Bivalvia (双壳纲)
Order same	Cardiida (鸟蛤目)	Cardiida (鸟蛤目)
Family same	Cardiidae	Cardiidae
Genus same	Parvicardium	Parvicardium
Species	Parvicardium hauniense	Parvicardium exiguum

Evolutionary Relationship

Copenhagen cockle and little cockle share a common ancestor at the Genus level: Parvicardium.

Conservation Status

Copenhagen cockle

VU — Vulnerable

little cockle

DD — Data Deficient

Physical Characteristics

Attribute	Copenhagen cockle	little cockle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Copenhagen cockle

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

little cockle

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States).

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden