European Fingernail Clam vs Rhomboid Fingernailclam

Sphaerium corneum compared with Sphaerium rhomboideum

Taxonomic Classification

Rank	European Fingernail Clam	Rhomboid Fingernailclam
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Mollusca (моллюски)	Mollusca (моллюски)
Class same	Bivalvia (двустворчатые)	Bivalvia (двустворчатые)
Order same	Sphaeriida (Sphaeriida)	Sphaeriida (Sphaeriida)
Family same	Sphaeriidae	Sphaeriidae
Genus same	Sphaerium	Sphaerium
Species	Sphaerium corneum	Sphaerium rhomboideum

Evolutionary Relationship

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

Conservation Status

European Fingernail Clam

LC — Least Concern

Rhomboid Fingernailclam

LC — Least Concern

Physical Characteristics

Attribute	European Fingernail Clam	Rhomboid 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).

Rhomboid 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