Gemeine Kugelmuschel vs Rhomboid Fingernailclam

Sphaerium corneum compared with Sphaerium rhomboideum

Taxonomic Classification

Rank	Gemeine Kugelmuschel	Rhomboid Fingernailclam
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Mollusca (Weichtiere)	Mollusca (Weichtiere)
Class same	Bivalvia (Muscheln)	Bivalvia (Muscheln)
Order same	Sphaeriida (Sphaeriida)	Sphaeriida (Sphaeriida)
Family same	Sphaeriidae	Sphaeriidae
Genus same	Sphaerium	Sphaerium
Species	Sphaerium corneum	Sphaerium rhomboideum

Evolutionary Relationship

Gemeine Kugelmuschel and Rhomboid Fingernailclam share a common ancestor at the Genus level: Sphaerium.

Conservation Status

Gemeine Kugelmuschel

LC — Least Concern

Rhomboid Fingernailclam

LC — Least Concern

Physical Characteristics

Attribute	Gemeine Kugelmuschel	Rhomboid Fingernailclam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gemeine Kugelmuschel

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