European Fingernail Clam vs Grooved Fingernailclam

Sphaerium corneum compared with Sphaerium simile

Taxonomic Classification

Rank	European Fingernail Clam	Grooved Fingernailclam
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Mollusca (mollusques)	Mollusca (mollusques)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order same	Sphaeriida (Sphaeriida)	Sphaeriida (Sphaeriida)
Family same	Sphaeriidae	Sphaeriidae
Genus same	Sphaerium	Sphaerium
Species	Sphaerium corneum	Sphaerium simile

Evolutionary Relationship

European Fingernail Clam and Grooved Fingernailclam share a common ancestor at the Genus level: Sphaerium.

Conservation Status

European Fingernail Clam

LC — Least Concern

Grooved Fingernailclam

LC — Least Concern

Physical Characteristics

Attribute	European Fingernail Clam	Grooved Fingernailclam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European Fingernail Clam

Habitat

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

Range

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

Grooved Fingernailclam

Habitat

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

Range

Distributed across Norway and United States.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States